Core
THE FUTURE STARTS HERE
MARCH/APRIL
Vol. 105 Issue 1223
Vol. 105 Issue 1226
MAN Engines: New workboat enigne
Thrusters: A novel combination
Future
14
GTT Q1 LNG orders
GTT has announced multiple LNG orders in the first quarter of 2025, reinforcing the fuel’s position as a key player in the maritime industry.
37 GNV leverages machine learning for vessel optimisation
Its newest vessel GNV Polaris (see page 32 for more on this vessel) is testing RINA’s SERTICA Performance system to enhance vessel optimisation.
37 WinGD X-DF-A test
WinGD has confirmed the key performance parameters of its X-DF-A ammonia-fuelled engine design after full-load testing.
11
Leader Briefing
Cavotec, a provider of electrification and automation solutions, has appointed three new members to its Group Management team.
32
Ship Description
The GNV Polaris, the latest delivery to European principals is distinguished by its predominantly Chinese origination.
34
Design for Performance
On a par in size and capacity with a European-built vessel, the 324-metre Adora Magic City is China’s cruise ship contender.
38
50 Years Ago
The March 1975 issue of The Motor Ship covered shortages in oil supply leading to speculation about the future of the large oil tanker.
16
China advances ammonia shipping
China leads the world in ship owning and shipbuilding and ammonia is high on its agenda for the future.
20
CORE POWER’s vision for energy
Led by CEO Mikal Bøe, CORE POWER is spearheading a transformative initiative in the shipping industry through its Liberty program, which focuses on floating nuclear reactors.
22 LNG: From pipe-dream to mainstream
When the first Motorship Gas Fuelled Ships conference was held in Hamburg, LNG-fuelled propulsion was seen as a promising novelty, albeit with a limited market.
24
Thrusters and DP critical to WTIV operation
Kongsberg Maritime is supplying power, DP control and thruster technology for a string of wind turbine installation vessels, most recently for the U.S.-built Charybdis.
VIEWPOINT
DAVID STEVENSON | Editor dstevenson@motorship.com
China calling GTT’s Q1 LNG orders
With Trump’s inauguration at the end of January, many expected a repeat of the “China baiting” which was a hallmark of his last administration. They weren’t disappointed, and what has become known as the “Trump trade” was seized upon by investors looking to make hay from his pro-business policies.
One policy which was conceived during Biden’s time in office but accelerated with Trump’s arrival is targeting Chinese-made ships. Fines of up to $1.5 million per vessel have been proposed in a bid to boost the US’ domestic shipbuilding industry with, it seems, little regard for what such a punitive measure will mean for consumers of goods arriving on containerships (of which China has an 81% share of the global market). This move has already sparked significant concern from international shipping companies, many of which fear increased costs and potential retaliatory tariffs from China. If enacted, this policy could disrupt global supply chains and force companies to rethink their logistics strategies to mitigate financial impact.
In this issue, we see China’s influence over the shipping industry may be increasing and not limited to the container and bulk carrier segments (which the country has a 75% share of the market according to Veson Nautical). The trend is also evident in ship financing, where Chinese banks have been extending their reach, offering competitive loans to global operators looking to replace aging fleets. On page 34, David Tinsley reports how China is eyeing “Europe’s jewel in the crown,” this is to say the cruise market, arguably the last stronghold for European shipbuilding ambitions. I spoke to one of the famous shipyards mentioned in the article this week and when enquiring about China’s progress in this sector, I was given a polite but decidedly firm “no comment.” Make of that what you will.
Away from forays into previously uncharted waters for the Chinese, on page 32, David Tinsley gives us what should be a familiar account of China’s dominance of the large Ro-Pax market. But GNV’s new vessel Polaris breaks from the standard as hitherto ships in this segment were usually designed in Europe and just put together in China. This ship contains a number of examples of Chinese intellectual property, varying from its interior design to its heat recovery system developed by China Shipbuilding Corporation’s No711 Institute of Shanghai. The engines, despite being produced under license by China’s Shaanxi Diesel Heavy Industry, are reminders of Europe’s shipbuilding prowess, being MAN products. Industry insiders believe this shift towards Chinese design influence is an inevitable outcome of the nation’s investment in research and development, something European yards may struggle to match in the long run.
In the race for a net zero propulsion system, China is also most certainly in the mix. On page 16, Wendy Laursen gives us an update on China’s progress with ammonia, which has seen participation from COSCO Shipping under the guidance of China Classification Society (CCS). We learn that far from being late to the party, China has been studying and researching ammonia for a number of years, as seen with CCS issuing Guidelines for Ships Using Ammonia Fuel in 2022. Additionally, China’s push into alternative fuels extends beyond ammonia, with hydrogen and methanol-powered ship designs also gaining traction. China’s hegemony over global shipping may well extend to future fuels going forward.
GTT has announced multiple LNG orders in the first quarter of 2025, reinforcing the fuel’s position as a key player in the maritime industry.
The orders involved collaborations with major shipyards across Asia and Europe, highlighting the increasing demand for advanced LNG containment systems.
An Asian shipyard has placed an order for the tank design of two new Liquefied Natural Gas Carriers (LNGCs) on behalf of an Asian ship-owner. Each vessel will have a total capacity of 174,000 m³ and will be equipped with a membrane containment system from the NO96 series, developed by GTT. The deliveries of these vessels are planned for the second and third quarters of 2027.
GTT has also secured an order from its Korean partner, HD Hyundai Heavy Industries, to design cryogenic fuel tanks for 12 new LNG-fuelled container vessels for a European shipowner. Each vessel will be fitted with LNG tanks offering a capacity of 12,750 m³, incorporating the Mark III Flex membrane containment system. These tanks will feature the “1 barg” design, allowing an effective operating pressure of up to 1 barg instead of the conventional 0.7 barg. This design will support compliance with future port regulations requiring vessels to be electrically connected to the quayside. Deliveries are scheduled between the second quarter of 2027 and the fourth quarter of 2028.
Additionally, Samsung Heavy Industries has commissioned GTT for the tank design of a new LNG carrier. This vessel will have a total
capacity of 180,000 m³ and will be equipped with GTT’s Mark III Flex membrane containment system. Another significant order comes from the Chinese shipyard Hudong-Zhonghua, which has contracted GTT to design tanks for six very large LNG carriers. These vessels will each have a total capacity of 271,000 m³ and will be fitted with GTT’s NO96 Super+ membrane containment system. Deliveries are scheduled across multiple years, including the second quarter of 2028, the second and third quarters of 2029, and the first and third quarters of 2031.
These orders underscore the ongoing trust between GTT and its shipbuilding partners, driven by a shared commitment to LNG as a strategic lever in maritime decarbonisation. The use of LNG as a fuel supports compliance with stringent emissions regulations, significantly reducing nitrogen oxides, sulphur oxides, CO₂, and fine particulates.
Philippe Berterottière, chairman and CEO of GTT, commented: “GTT is proud to place its innovation at the service of its customers and to support them in the energy transition of maritime transport. The Mark III Flex containment system and the ‘1 barg’ concept, which is being applied here for the second time, offer concrete solutions for optimising LNG propulsion and anticipating regulatory changes. These new orders demonstrate our partners’ confidence in our expertise and their commitment to more sustainable shipping.”
■ GTT receives order for tank design of LNG carrier
ZURICH, MAY 19 – 23, 2025
31st CIMAC WORLD CONGRESS
The Global event on large engines, power, drives and propulsion
The 31st CIMAC World Congress, taking place from May 19-23, 2025, in Zurich, Switzerland is a unique opportunity for stakeholders to keep up to date with the latest developments in the industry and to discuss technological challenges and solutions with other specialists and fellow colleagues.
220 presentations, approx. 20 Pecha Kuchas, some 60 posters, and ca. 50 exhibitors, along with keynote speakers such as Prof. Lynn Loo, CEO of the Global Centre for Maritime Decarbonisation (GCMD), and more await you.
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GNV leverages machine learning for vessel optimisation
GNV has adopted RINA’s SERTICA Performance system to enhance vessel optimisation and energy efficiency, using machine learning and predictive modelling to improve vessel performance and reduce fuel consumption.
The newest ship in its fleet, the GNV Polaris (see page 32 for more on this vessel), is currently testing the advanced vessel monitoring system during its maiden voyage from China to Italy.
“GNV is making significant strides in sustainable shipping with their latest initiatives,” said Ivana Melillo, energy efficiency director at GNV.
“The GNV Polaris boasts high environmental standards and can achieve over 30% fuel savings, significantly reducing CO₂ emissions compared to the current fleet.”
Real-time data
RINA’s SERTICA Performance
DNV AiP for carrier
system collects real-time data to optimise fuel use, ensuring peak vessel performance. It enables GNV to define two optimal operating scenarios, minimising Specific Fuel Consumption (SFC) and serving as a benchmark for future operations.
The vessel monitoring system gathers data through onboard sensors, tracking fuel consumption, generator power and engine efficiency.
During its trial run, multiple operational scenarios are being tested, including alternating diesel and shaft generators, to determine the most fuel-efficient setup.
This approach helps to ensure the accuracy of machine learning for predictive modelling, allowing GNV to optimise energy use on its Genoa-Palermo route.
The system has so far demonstrated exceptional accuracy, serving as a valuable tool to track vessel performance, identify efficiency losses and
Wärtsilä supply ADM
■ The newest ship in GNV’s fleet, the GNV Polaris, is currently testing the advanced vessel monitoring system during its maiden voyage from China to Italy
simulate operational scenarios.
These data-driven insights can guide retrofit decisions, such as hull cleaning or engine maintenance, to sustain long-term efficiency of the vessel.
“The added value of SERTICA Performance lies in its ability to provide unparalleled data monitoring and analysis,” said Lars Riisberg, marine digital solutions executive director at RINA.
“With real-time dashboards and alerts, it enables advanced analytics, ensuring optimal vessel efficiency and fuel management.”
With SERTICA Performance now installed on over 800 ships, GNV said it continues to invest in digital solutions to modernise its fleet, with the aim of cutting emissions and acheiving a greener business model.
Nakilat 8 LNG carriers
WinGD X-DF-A test
WinGD has confirmed the key performance parameters of its X-DF-A ammonia-fuelled engine design after full-load testing.
The results provide crucial assurance as the first users prepare their vessels and auxiliary systems for ammonia fuel.
“Our well-structured development approach has paid off,” said WinGD vice president R&D, Sebastian Hensel.
“After intensive efforts to understand the principles of ammonia injection and combustion, we are the first two-stroke engine designer to demonstrate 100% ammonia operation with 5% pilot fuel consumption and such low emissions.”
Tests at WinGD’s Engine Research and Innovation Centre in Winterthur, Switzerland, confirmed the engine’s thermal efficiency on ammonia matches diesel. Pilot oil also in line with expectations; consumption was just 5% at full load.
Emissions data was promising: ammonia below 10ppm, N₂O under 3ppm, and NOx well below diesel levels. Notably, these low emissions were achieved without an ammonia slip catalyst, proving the engine can run on ammonia without additional after-treatment.
The first engines will be delivered from mid-2025 for ammonia carriers owned by Exmar LPG and bulk carriers operated by CMB.Tech. Nearly 30 orders have already been secured.
BRIEFS
MAN 175D for OSV
DNV has awarded AiP to Shell and Brevik Engineering for a 74,000 cbm LCO₂ carrier, designed for cost-effective CO₂ transport in Asia Pacific CCS projects. The vessel features 15 low-pressure tanks and future onboard CO₂ capture. At 290m long with a 12m draft, it supports growing regional demand for large-scale carbon transport solutions. It features 15 cylindrical tanks to store LCO2 at -50°C and 6-8 barg, with possible future OCCS.
Ports must be able to check the background of all vessels and show bodies such as OFAC that they have the technology to screen ships for suspected sanctions evasion
Wärtsilä will supply replacement engines for ADM Naviera Chaco’s tug pusher vessels, Decatur Lady and Tendota, operating in Paraguay. Each will be fitted with three fuel-flexible Wärtsilä 20 engines, reducing emissions and improving efficiency. The project supports ADM’s goal to cut emissions by 25% by 2035 while enhancing operational reliability and sustainability. The orders for the engines were booked in Q2 and Q4 of 2024.
Nakilat has begun construction on eight new 174,000 cbm LNG carriers at Hanwha Ocean Shipyard, supporting Qatar’s LNG fleet expansion. Fully owned by Nakilat and chartered to QatarEnergy affiliates, the vessels feature advanced technology for efficiency and sustainability. This milestone strengthens Nakilat’s position as a global leader in LNG shipping and maritime services. Last year the company signed a deal for 25 LNG carriers with QatarEnergy.
Poland’s Crist Shipyard has ordered six MAN 12V175D variable speed gensets for the Sea Dragon, an offshore support vessel for DOF. Set for delivery in early 2027, the 110m, ice-classed vessel will operate off Newfoundland. Featuring DP3 and capacity for 164 personnel, it will support drilling, crew changes, field safety, emergency towing, and ice management. It is cleared for operation on biofuels such as FAME and HVO.
SINGAPORE REGIONAL FOCUS
We asked Ansuman Ghosh, director of risk assessment for Singapore and Akshat Arora, senior risk assessor at UK P&I questions about the South-East Asian city state
How are regional decarbonisation efforts, such as Singapore’s push for green shipping corridors, influencing insurance and risk assessment for shipping companies?
Singapore is not only a dynamic market in its own right, but it is playing an active role in contributing to the maritime industry’s wider efforts to achieve its 2050 net-zero targets.
As well as proving to be an innovation hub for clean technology and alternative fuels, it has taken decisive steps in recent years to ensure the development of net-zero pathways. For example, Singapore has established multiple bilateral Green and Digital Shipping Corridors (GDSC) with the ports of Rotterdam, Los Angeles, Long Beach, Tianjin, Japan, Australia, and Shandong. These corridors aim to establish standards and best practices that will support the decarbonisation, digitalisation and growth of the maritime industry. This includes the development of alternative marine fuels such as ammonia, methanol, and hydrogen value chains to safely offer a range of alternative fuel technologies to the maritime industry within the region.
Singapore continues to lead in the development of alternative fuel technology and was an early adopter of LNG as a fuel, with the Maritime and Port Authority of Singapore (MPA) awarding its’ first LNG bunkering licence in 2016. In its efforts to support its Members in their decarbonisation journey, The UK P&I Club has collaborated with the Methane Abatement in Maritime Innovation Initiative (MAMII), part of the Lloyds Register’s SafetyTech Accelerator program. This partnership unites industry leaders, technology innovators, and maritime stakeholders to advance technologies that monitor, measure and mitigate methane emissions in the maritime sector.
With regards to broader alternative fuel initiatives, in 2024, the MPA – in collaboration with Fortescue – conducted the world’s first ammonia-diesel marine trial to support the development of ammonia bunkering within the region. The first simultaneous methanol bunkering and cargo operations (SIMOPS) were conducted at Tuas Port. Singapore also plans to release a Technical Reference for methanol bunkering in 2025 to address safety, competencies, and regulatory frameworks.
Of course, from a safety and risk management perspective, the introduction of alternative fuels into maritime operations – although vital – also poses unique challenges in terms of their evolving risk profiles. Emerging fuel technologies such as methanol and ammonia are distinctly toxic substances, which will require a new approach to crew training to ensure that seafarers are equipped with the knowledge and understanding that will promote the safe handling of new fuels onboard.
There currently exists a significant lack of operational experience for crews in handling alternative fuels, with no formal training programmes in place and a distinct lack of formalised regulatory frameworks that govern the safe handling and use of such alternative fuels. This means that there is a requirement for more operational training and guidelines to be developed to support the safe integration
and operational handling of newly introduced fuel technology. The MPA has proactively addressed this competency gap by establishing Singapore’s Maritime Energy Training Facility (METF). This industry-supported facility will provide dedicated training to international seafarers on the safe handling, bunkering and management of incidents involving the use of alternative fuels.
The UK Club is also exploring potential collaborations to provide bespoke training that equips seafarers with knowledge and understanding of the risks associated with using ammonia as a fuel. Additionally, we are considering partnerships to create a learning portal for Club Members focused on alternative fuels, including ammonia. Alongside these initiatives, we are working on a structured 'Risk Focus' to produce guidelines highlighting the additional safety risks associated with using ammonia as a fuel. The objective is to improve the understanding of the risks associated with bunkering, carrying, and using ammonia, with a special focus on crew safety.
■ Ansuman Ghosh, director of risk assessment for Singapore at UK P&I
With Asia Pacific being home to some of the busiest ports in the world (like Singapore), how do you assess risks related to port congestion and infrastructure adequacy?
Singapore’s port terminal operators – PSAC and JPPL –are acutely aware of the challenges that they face as one of the busiest ports in the world. As a result, they have worked to deploy smart systems and solutions to enhance port operational efficiency to reduce idle or waiting time by vessels and vehicles at the port terminals. The most notable example is the implementation of a “Just-in-Time” (JIT) planning and coordination platform, which matches available berths upon arrival in Singapore to expedite any linked services such as bunkering, or husbandry. The implementation of JIT arrival protocols in Singapore helps to optimise vessel schedules and reduce the likelihood of congestion. Reducing idling time at anchorage also has environmental benefits. Quicker turnaround times means vessel are burning less fuel and therefore reducing emissions.
Singapore’s foresight in developing a smart port like Tuas Mega port highlights its commitment to addressing future capacity demands. However, unforeseen events such as extreme weather, cyber attacks, a global pandemic, or wider geopolitical events represent ongoing challenges and risk for our Members.
As a result, we are taking a proactive approach to assessing the risks associated with a port’s infrastructure adequacy and preparedness in handling these disruptions. For instance, with regards to cyber attacks, the Club is currently working with maritime cyber experts, CyberOwl, to develop an updated version of the “Risk Focus: Cyber” publication, to assist Members in identifying, managing, and mitigating evolving cyber risks.
Vigilance around navigational safety is a key concern for our Members operating in the Singapore Straits, due to the high traffic density. This requires a combination of technical and operational skills as well as behavioural competencies. We are seeing more digital navigation tools come into the market which are making this easier once they are fully integrated but there is still a need for holistic training which includes the human factors. To help support this, we collaborate with leading civil aviation trainers CAE to offer our Members human behaviour and decision-support training.
Expanding the behavioural theme, we also partner with award-winning psychologist, Dr Marcin Nazaruk. His innovative “Learning from Normal Work” methodology challenges traditional approaches to safety and risk management by focusing exclusively on identifying potential hazards, or improving through accident investigation, which helps companies to identify the sources of operational inefficiencies and the causes of accidents, before they happen.
A further risk that our Members face, is the potential for the detention of ships operating or anchoring in undesignated areas, particularly within Singapore’s Outer Port Limits (OPLs). Vessels operating in these areas risk detention by Malaysian or Indonesian authorities if the ship’s location is within their territorial waters. However, through our extensive network of local correspondents, The UK P&I Club is able to provide its Members with up-to-date information on designated anchorages and compliance requirements to avoid costly detentions and operational disruptions.
An additional safety and risk consideration is with regards to armed robbery, which remains prevalent in the Singapore and Malacca Straits. Shipping companies are advised to adopt heightened vigilance and follow Best Management Practises (BMP) protocols to mitigate such risks and the UK P&I Club remains closely engaged with maritime organisations like Singapore Shipping Associations (SSA), the
Singapore’s foresight in developing a smart port like Tuas Mega port highlights its commitment to addressing future capacity demands. However, unforeseen events such as extreme weather, cyber attacks, a global pandemic, or wider geopolitical events represent ongoing challenges and risk for our Members
Information Fusion Centre (IFC) and the Regional Cooperation Agreement on Combating Piracy and Armed Robbery against Ships in Asia (ReCAAP), to ensure we are able to offer the best assistance to Members within the region.
This myriad of challenges is an understandable reflection of Singapore’s position as the world’s largest transhipment hub, which is emphasised by its record high annual throughput of more than 40m TEUs in 2024. Against this backdrop, Singapore is an important hive of innovation in areas such as decarbonisation and digitalisation and is continuously setting new standards in port innovation. The UK P&I Club is excited to be part of these developments as we continue to collaborate with progressive companies that are operating in the region. By doing so, we can equip Members with the right support to improve operational safety and manage risk as market dynamics evolve.
■ Akshat Arora, senior risk assessor at UK P&I
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CAVOTEC CHANGES MANAGEMENT TEAM
Cavotec, a provider of electrification and automation solutions, has recently appointed three new members to its Group Management team, reinforcing its commitment to operational excellence, customer focus, and sustained growth
Jonathan Eriksson has been named senior vice president and head of the industry division, while Nicklas Vedin assumes the role of senior vice president and head of the ports & maritime division. Additionally, Patrick Mares, who has been a member of Group Management since 2019, has been appointed senior vice president, product management and Chief Technology Officer.
These appointments are part of Cavotec’s strategy to further strengthen its management structure and drive its ambitious goals of building long-term value and expanding its market presence. According to David Pagels, CEO and President of Cavotec, the new Group Management team brings a wealth of experience, energy, and industry knowledge to the company, helping it to create the right conditions for future growth. “We now have a Group Management team with a strong focus on customers and sales as well as operational excellence. We have a clear goal to build value and this requires high energy levels, experience, and good judgment. With our new Group Management, we have created good conditions to continue growing and creating value,” Pagels said.
Jonathan Eriksson and Nicklas Vedin, both internal promotions, have a deep understanding of Cavotec’s operations and the markets in which the company operates. Their expertise and leadership experience within Cavotec will be key to driving forward the company’s strategic priorities in both the industrial and maritime sectors.
Jonathan Eriksson brings significant experience to his new role as head of the industry division. Having joined Cavotec in 2020, he has held senior positions within the company, including vice president of the industry division, vice president and head of business development, and project director for global operations. One of his notable achievements was establishing Cavotec’s Indian operations, which officially launched in 2024. Prior to joining Cavotec, Eriksson worked as a management consultant at Roland Berger and as a project leader at Atlas Copco Industrial Technique. Born in 1992, he holds a Master of Science (M.Sc.) in Industrial Management and Engineering from the Royal Institute of Technology in Sweden.
Nicklas Vedin has been appointed Head of the Ports & Maritime Division, a role he is well-suited for due to his extensive experience in this sector. Vedin joined Cavotec in 2018 and has held key leadership positions, including vice president of sales in the ports & maritime division and vice president of product management for MoorMaster, Cavotec’s automated mooring system. One of his key accomplishments at Cavotec was expanding the MoorMaster technology to Asia and Latin America, positioning the company as a leader in the growing automated mooring market. Before joining Cavotec, Vedin worked as a management consultant at Ericsson in Sweden and the US. Born in 1991, he holds a Master of Science (M.Sc.) in Industrial Engineering and Management from Linköping University in Sweden.
Patrick Mares, who has been part of Cavotec’s Group Management team since 2019, will continue in his new role as senior vice president, product management and Chief Technology Officer. Before joining Cavotec, Mares served in senior positions at several large companies, including as Vice President EMEA at Harsco Rail, vice president of sales & business development at GKN Land Systems, President EMEIA at Ingersoll Rand Security Technologies, and in various leadership roles at General Electric. Born in 1962, Mares holds a Master of Science (M.Sc.) in Engineering from the University of Leuven in Belgium.
Alongside these leadership changes, Cavotec has also appointed Gabriella Sereni as head of marketing and communications. Gabriella, who joined Cavotec in 2022 as group sales enablement manager, brings a wealth of experience in marketing communications and product marketing, having previously worked at Atlas Copco. In her new role, she will play a key part in shaping Cavotec’s brand and communicating its strategic vision to the wider market.
The remainder of the Group Management team remains unchanged. Patrick Baudin continues to lead Cavotec’s service operations, while Jörgen Ohlsson remains head of global operations. Vanessa Tisci continues as Chief Legal & Human Resources Officer, and Joakim Wahlquist remains Chief Financial Officer.
Cavotec is a leading cleantech company that develops connection and electrification solutions, enabling the decarbonisation of ports and industrial applications. Its innovative technologies are critical in supporting the global transition towards a more sustainable future. The company’s new Group Management team is well-positioned to drive forward Cavotec’s strategic objectives, leveraging their extensive expertise to deliver value to customers and stakeholders alike.
■ Jonathan Eriksson (on the left) and Nicklas Vedin join the Cavotec Group Management
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OCEANSCORE’S REGULATORY ANSWERS
The maritime sector is facing increasingly stringent regulations aimed at reducing emissions, with the EU’s FuelEU Maritime and the EU Emissions Trading System (EU ETS) taking centre stage
These regulations are intended to guide shipping companies in transitioning towards greener fuel sources, but they also bring significant challenges for operators who must navigate compliance, fuel choices, and costs. OceanScore, a company providing compliance solutions, is offering innovative ways to help shipping companies meet these challenges and optimise their compliance strategies.
Albrecht Grell, managing director of OceanScore, explains that the company’s approach is distinct in its ability to blend strategic planning with day-to-day operational management. While many companies in the market focus on providing compliance services, OceanScore’s unique proposition lies in its combination of a strategic planner and operational compliance tools.
OceanScore’s most recent offering is the Compliance Manager, a tool designed to handle the intricacies of both FuelEU Maritime and EU ETS in one package. It allows shipping companies to strategically plan their fuel choices, from biofuels to synthetic options, and optimise their operations accordingly. The Compliance Manager goes further by incorporating elements of financial management, ensuring that shipping companies can effectively manage risks, invoicing, and payments related to carbon allowances and fuel-related costs.
Part of this strategy, according to Grell, lies in OceanScore’s FuelEU Planner. This tool helps companies model various scenarios, including the use of biofuels, the costs of carbon credits, and the availability of different fuel types. “It’s a strategy optimiser,” says Grell, “helping companies draft the best approach to comply with FuelEU Maritime regulations and plan for future fuel use in a commercially viable way.” This tool sets OceanScore apart from competitors, as it’s specifically designed to integrate various operational and financial factors into a single planning solution, something other companies offering compliance services may not provide.
Different approach
While companies like Ahti Pool and BetterSea focus on offering fuel pooling services, OceanScore takes a more nuanced approach to pooling, offering it as a free service for clients rather than commercialising the process. Grell is firm in his belief that the pooling business model may not be as prominent as many expect, especially since many shipping companies already engage in pooling arrangements based on long-standing relationships. “Most pools will be internal,” he explains, “and I don’t think it’s necessary to commercialise that service.”
OceanScore's comprehensive approach ensures that clients can manage the complexities of both FuelEU Maritime and EU ETS regulations under one roof, streamlining compliance and reducing the administrative burden. The platform seamlessly integrates data from verifiers, commercial systems, and financial processes, giving operators complete transparency into their compliance status and financial positions.
A crucial aspect of compliance under EU ETS is managing
the price risk associated with carbon emissions allowances. Grell highlights the importance of hedging as a way for shipping companies to protect themselves against the volatility in the carbon credit market. By using forward trading and incremental purchases, companies can lock in prices for EUAs (EU Allowances) at an agreed-upon rate, mitigating the risk of price fluctuations as they fulfil their contractual obligations with customers. This kind of risk management is essential when operating in a market where the cost of carbon allowances can fluctuate significantly, impacting both profitability and compliance.
Moreover, Grell emphasises the interdependencies between FuelEU Maritime and EU ETS. While FuelEU focuses on fuel-related decisions, such as the use of biofuels, EU ETS is more concerned with the process of carbon credit trading. The two regulations are intertwined, and shipping companies must consider the impact of one on the other. For instance, switching to biofuels under FuelEU can reduce the EU ETS costs, but it also affects the overall fuel costs due to the calorific value differences of biofuels. As such, OceanScore’s Compliance Manager is designed to optimise both operational and strategic decisions in light of these interdependencies.
The introduction of new fuel types, such as biofuels, into the debate has been contentious. Given the recent protest to the IMO regarding the use of biofuels, many advocate for the reduction of these in maritime operations, especially nonwaste-based biofuels, Grell suggests that the conversation is somewhat academic. He acknowledges the need for sustainability but argues that biofuels, particularly waste-based types, remain a viable short-term solution. “The debate on waste-based versus non-waste-based biofuels is somewhat irrelevant now,” he notes, pointing out that the production process for biofuels has evolved and that waste-based biofuels can be made from previously non-waste sources.
■ Albrecht Grell, managing director of OceanScore
ACCELLERON’S CEO ON CLIMATE
Coming from Switzerland, the International Year of Glacier Preservation and World Water Day’s glacier theme strike a chord with me. I have witnessed the alarming retreat of Swiss glaciers firsthand – a 65% ice loss since 1850, with 10% gone in just 2022-2023
Maritime has a front-row seat to glacial and polar melting, with rising sea levels, surging storms, and threats to coastal infrastructure. If the climate crisis escalates, supply chains and industries worldwide will face disruption.
The point is, this is a climate red flag. And it’s a call to unite like never before. Maritime’s strength has always been partnership, and in the past five years, together we have deployed efficiency technologies, dual fuel engines, and digitalization to curb emissions.
Yet, even with these efforts, progress is too slow, and two more red flags appeared last year. Global emissions should have peaked before 2025; instead, they hit an all-time high in 2024. It was also the first full year of 1.5°C warming.
One year of 1.5° is not a point of no return, but it raises the stakes ahead of 2030 emissions targets. Missing those could make future goals unattainable. On the other hand, meeting shipping’s 20-30% reduction target would prove that we can pull our weight.
A 2023 IMO study confirms we can, if we accelerate two key developments.
First, we have to go viral with fuel efficiency
The technology for maximum efficiency already exists—from speed optimization to hull cleaning, digital tools, and wind propulsion. Just derating engines with optimized turbochargers can save a conservative 3% in fuel and emissions. We have a customer that combined that with a propeller upgrade to save 25%. But in a global fleet averaging 13.1 years (weighted), only 37% of ships have energy saving technology (EST) retrofits.
We need to finish the efficiency job, and it only makes sense. Investing now will future-proof ships, cut fuel costs, and ensure compliance with new carbon regulations, avoiding wasted money on penalties.
Second, and not as easy, we need to solve the carbon-neutral fuel challenge
To meet the 2030 target, the IMO estimates 5-10% of the global fleet must also switch to carbon-neutral fuels. Consensus is growing around green methanol and ammonia, with new ships already designed for them. Theoretically, we could just scale up infrastructure for green hydrogen production and non-fossil carbon capture as feedstock, boosting green methanol and ammonia production and driving deep decarbonization toward net zero. Unfortunately, theory and reality are far apart, and the way forward is blocked by infrastructure and investment challenges.
Green shipping corridors help, by concentrating carbonneutral fuel availability, and in 2024, they grew 40% to 62 initiatives worldwide. Still, the actual fuel is in short supply.
As a result, LNG dual fuel technology now leads in new ship orders, Of course, we have to manage methane slips, but mitigation technologies exist. With no perfect path, a 25% emissions drop from conventional fuel is still progress, and onboard carbon capture (OCC) is gradually emerging which could further reduce CO2 emissions from LNG.
But it will not get us to net zero.
Navigating the fuel challenge requires a cross-industry compass
We are not alone in our infrastructure needs. Shipping accounts for 3% of global emissions, but combined with other hard-to-abate sectors—aviation, steel, cement, and chemicals—the total jumps to 25%. Adding power generation (34% of global emissions) and agriculture (12%) brings the total to over 70%, all reliant on green hydrogen and carbon capture. Some sectors, especially shipping, also depend on increased production of green methanol and ammonia.
Right now, infrastructure is critically lagging, and continuing with a fragmented, sector-specific approach will see green hydrogen demand outstrip supply by at least 900% in 2030, with carbon capture facing a similar gap. As major energy players are now scaling back renewable investments, that gap could well grow.
We must join forces to build critical mass Why not unite to shift the balance in our favor? A crossindustry initiative could consolidate demand and provide
Green shipping corridors help, by concentrating carbon-neutral fuel availability, and in 2024, they grew 40% to 62 initiatives worldwide. Still, the actual fuel is in short supply
■ Daniel Bischofberger, CEO of Accelleron.
market certainty, unlocking the requisite investment: $9 trillion for green hydrogen, $3.5 trillion for carbon capture, five times current methanol production, and a tripling of ammonia production by 2050.
Of course, demand alone will not suffice. With prohibitive costs and long payback periods, making green hydrogen and carbon capture cost-competitive also requires bold national leadership and large-scale incentives—like the ones that drove solar growth in Germany, and made it viable against fossil fuels.
Shipping, a natural starting point for a united fuel front
As stewards of 80-90% of global trade, shipping has a responsibility – and a unique position – to unite sectors,
aggregate demand, and amplify our collective voice with policymakers. When it comes to the climate challenge, we are all in the same ship, sailing the same ocean. Acting together now can turn the carbon-neutral fuel challenge into our greatest opportunity for net zero.
■ Daniel Bischofberger is CEO of Accelleron. With a 100-year heritage of innovation, Accelleron helps the world move further, more efficiently and sustainably through its turbocharging, fuel injection, and digital solutions for heavy-duty applications. The company serves marine and energy customers in more than 100 locations across 50 countries, continuously innovating to drive the energy transition forward and accelerate the decarbonization journey.
Leading the Future of Marine HVAC Systems
Sail Green, Breathe Clean
– Eco-Friendly HVAC Solutions for a Sustainable Voyage.
Please contact sales@hiairkorea.co.kr
■ Accelleron’s ACCX300-L
CHINA ADVANCES AMMONIA
FUELLED SHIPPING
China leads the world in ship owning and ship building, and ammonia is high on its agenda for the future
■ Ammonia timber carrier Credit Skarv Shipping
Click here to read article on The Motorship online
A SAFE ROUTE TO THE AMMONIA ALTERNATIVE
As orders for ‘ammonia-ready’ ships accumulate, ClassNK’s work to overcome its crew safety challenge will be key role in realizing the fuel’s potential as a contributor to maritime decarbonization
Latest published figures from Clarksons Research indicate that 25 ammonia-fueled ships were ordered during 2024.
Given that 50% of all 2024 ships ordered will burn alternatives to conventional fuels, ammonia’s contribution to a low CO2 emission future, therefore, appears modest, compared to 390 fueled by LNG, 119 by methanol, 72 by LPG (and 12 by hydrogen), and 206 with battery/hybrid propulsion.
However, the figure compares to just four ammonia-fueled ship orders in 2023, according to the same source, while a broader view counts 130 of the ships ordered in 2024 as ammonia ‘ready’. These add to 322 ammonia-ready ships on order at the start of 2024, according to Clarksons.
Numbers such as these suggest a market that is prepared to consider a greater commitment to ammonia as a fuel type at a later date.
Advocates for ammonia point to the fact that it does not emit CO2 when burned. Using renewable energy sources and electrolysis to create ‘green’ ammonia would result in a fuel that would cut GHG emissions through its lifecycle by up to 90% - meeting International Maritime Organization zero-carbon expectations even if translated to a ‘well-to-wake’ assessment.
Advances in ammonia
Research recently published by ClassNK shows that production capacity for green ammonia will reach around 220 million tons by 2043, taking account of all publicly announced projects – including those where the start-up has been most delayed.
If the number appears high (where the IMO estimates global ships of above 5,000GT consume around 215 million tons of fuel oil a year, though ammonia’s energy density
differs from oil), it reflects expectations that ammonia will provide an alternative fuel for coal-fired thermal power plants and will be used as a hydrogen carrier. Furthermore, since most projects are still in the conceptual or feasibility stages, it is unlikely that all will go ahead.
But toxicity, rather than availability, represents the first obstacle to ammonia’s acceptability as a marine fuel. Even in low concentrations. Ammonia has an adverse effect on human health in cases of repeated exposure.
And its uptake will depend on not only advances in design, technology and training that protect seafarers and the environment from ammonia’s risks in theory, but also the changes to maritime law that ensure that any usage upholds necessary and agreed standards in practice.
In December 2024, the IMO’s Maritime Safety Committee moved forward with interim guidelines covering the use of ammonia, and towards an international standard for ships using ammonia as fuel. The new guidelines are an important milestone in developing rules on ship design including the arrangement of fuel tanks, machinery space, piping, and containment, bunkering and fuel supply, as well as control, monitoring, and safety systems.
Work will continue on these guidelines, and on extending the IGF Code covering low-flashpoint fuels to include ammonia in 2025. Meanwhile, changes to the IGC Code will enter into force on 1 July 2026 that allows it as a fuel pathway.
Guidance on risk
Where technical support and the development of formalized ship and equipment design requirements are concerned, ClassNK has been in the vanguard of several projects
■ Green ammonia production capacity by year
contributing to cumulative knowledge on the use of ammonia as a marine fuel.
For the maritime industry to move forward with the practical application of ammonia-fueled ships, it will be essential to incorporate comprehensive risk assessments in ship design. A recently published study offers a further reminder of ClassNK’s energetic work to advance the viability of ammonia as a future mainstream marine fuel. A key component of these assessments involves estimating the probability of ammonia leaks from various onboard components.
Conducted in a collaboration with the Society and Research Institute of Science for Safety and Sustainability (RISS), National Institute of Advanced Industrial Science and Technology (AIST), the study estimates the probabilities of leakages in ship fuel systems using ammonia.
Leakage frequency from piping, storage tanks, and associated equipment will vary depending on the type of gas in the fuel system. Deriving estimates for ammonia leakage is therefore an essential part of the design risk assessment process. The purpose of the study has been to develop a more robust and reliable basis for future risk assessment work on the prevention of leakages, with results also helpful for developing measures to protect crew safety and the surrounding environment.
Given the lack of existing ammonia-fueled ship systems, however, authors faced a practical challenge in estimation work. To overcome it they used the Bayesian method to estimate probabilities of leakage for each component by combining onshore ammonia leakage frequency data from the High Pressure Gas Safety Institute of Japan with leakage frequency data applied to risk assessments for LNG-fueled ships.
The result is the world’s first ammonia leak frequency estimates for onboard components for ammonia-fueled ships (valves, hoses, pipes, flanges, joints, etc. - see Table 1).
The study feeds into the knowledge bank at the disposal of the ClassNK Transition Support Services to support customers on their journey towards zero-emission emissions. In addition, leak frequencies associated with specific components have been included by ClassNK as an appendix to Part C of Guidelines for Ships Using Alternative Fuels (Edition 3.0).
Drawing on real projects to update its Guidelines for Ships Using Ammonia as Fuel, ClassNK is also amassing further food for thought for regulators working on how ammonia can be safely brought into use and take its place in The IGF Code and The IGC Code.
ClassNK’s updated Guidelines independently establish provisions for minimizing risks to ships, seafarers, and the environment, as well as standards for the equipment (including control and monitoring systems).
■ Table 1: Estimated Leak frequencies for onboard ammonia fuel components
■ Ammoniapowered vessel
CORE POWER’S VISION FOR ENERGY
CORE POWER, led by CEO Mikal Bøe, is spearheading a transformative initiative in the shipping industry through its Liberty program, which focuses on floating nuclear reactors. These reactors, designed to be modular and cost-effective, are positioned as a viable solution to the pressing need for decarbonisation in maritime
■ Image of a desalination barge
Click here to read article on The Motorship online
■ Rendering of a floating nuclear power plant
LNG – FROM PIPE-DREAM TO MAINSTREAM
Nearly 15 years ago, when the first Motorship Gas Fuelled Ships conference was held in Hamburg, liquefied natural gas-fuelled propulsion was seen as a promising novelty, albeit with a limited market
■ Viking Line LNG ro-pax pioneer Viking Line bunkers bio-methane
Click here to read article on The Motorship online
THRUSTERS AND DP CRITICAL TO WTIV OPERATION
Kongsberg Maritime is supplying power, DP control and thruster technology for a string of wind turbine installation vessels, most recently for the U.S.-built Charybdis
■ Cadaler Wind Peak Credit: Kongsberg
Click here to read article on The Motorship online
SHIP DESIGN AND THE CHANGING
ALTERNATIVE FUEL ‘SEASCAPE’
Designing the fleet of the future presents many challenges and risks, and no ship owner wants to invest in a multimillion-dollar ‘leap of faith’. Janne Huotari - Senior R&D Engineer at NAPA Design Solutions explains how simulation tools can be a gamechanger for ship design, helping the industry make the right decisions today for the vessels of tomorrow
Shipping’s ‘seascape’ is changing and we’re seeing a new age of vessels hit the water. Defined by a greater emphasis on efficiency, innovation and decarbonisation, ship owners are looking to the future.
Throughout 2024, ship owners invested in alternative fuelled vessels, increasing the orderbook by more than 50% to 1,737 vessels. The number of in-service alternative fuelled vessels also grew by 18% to 1860 vessels.
While this is still a relatively small proportion of the global fleet - around 4.8% of all vessels in service and on order - this trend is no coincidence. The shipping industry recognises that global regulators, like the International Maritime Organization, and governing bodies of major ports and markets like the European Union, are ramping up the urgency to meet net zero by 2050.
In fact, the IMO’s 2030 target mandates that net zero, or near net zero, fuels make up 5 -10% of all shipping fuels by 2030. Introduced earlier this year, FuelEU Maritime also sets a requirement on the annual average GHG intensity of energy used by ships trading in the European Economic Area, with the aim of increasing the share of alternative fuelled vessels within the EU. This builds on existing European Union Emissions Trading System (EU ETS) which puts a direct price on carbon.
Beyond compliance, decarbonisation increasingly commands an economic and commercial rationale which ship owners are acutely aware of. Modern, energy-efficient vessels that comply with tightening regulations can secure better chartering rates than their older counterparts, with
premiums reaching several thousands of dollars per day, and even more for certain vessel types.
The correlation is, therefore, a linear one: as regulatory scrutiny increases, so will the business case for more efficient, alternative fuelled vessels. Poorly rated ships may struggle to secure business and financing, while top-rated vessels are likely to enjoy a competitive advantage.
That said, designing the fleet of the future isn’t without its challenges and risks, and no ship owner wants their multimillion-dollar investment to be a leap of faith. Getting it right is crucial, but balancing safety, stability, efficiency and more is no small feat. Fortunately, this is where simulation tools can be a gamechanger for ship design.
Carving a new path forward using 3D modelling
A commercial vessel’s lifespan can reach 20 to 30 years which means that the vessels designed and built today will still be operational in 2050. Given these timelines, ship owners want assurances that their investments will pay back, be compliant and safe.
In shipping’s multi-fuel future, there is no single pathway to building tomorrow’s fleet. Each design and fuel choice will be determined by a vessel’s unique operating requirements and constraints. This means that new ship designs are more complex than ever.
Innovation in ship design is essential, requiring a step change in the way ships are designed. There is already a fundamental (and digital) transformation taking place in shipyards that is contributing to a greater use of 3D models
■
NAPA steel
3D model created by Damen, approved by Bureau Veritas
Digital twins help bring to life the insights gained from operational simulations. They bring together 3D models and data on the vessel to test different design variations and model how they would behave in real life
to optimise workflows throughout the design process, from the early stages through to classification approvals, detail design, and all the way in downstream production design.
While 3D models themselves are not new to ship design, their deployment throughout the design process is a real gamechanger. It ensures that all disciplines involved in a vessel’s design can access “a single source of truth”, delivering better communication, saving time, and limiting the risk of errors. This more efficient workflow helps teams work collaboratively to deliver the best possible designs and innovate.
The greater use of 3D models also lays the groundwork for using next-generation simulation tools to test different fuel and clean technology options. Using operational data on actual weather conditions on the specific routes where the ship will be operated, we can model the implications of new energy systems for the ship’s configuration, cargo capacity, stability, and even its future performance. This helps engineers, naval architects and ship owners themselves to make the right choices for each vessel, while also providing a wealth of insights to help optimise performance after the vessel has left the shipyard.
Using digital twins with reliable data to evaluate the best ship design options
Digital twins help bring to life the insights gained from operational simulations. They bring together 3D models and data on the vessel to test different design variations and model how they would behave in real life.
For example, 3D model data values, combined with route and weather data, can be used to compare different configurations for alternative-fueled vessels and calculate the impact on the vessel’s future performance, fuel consumption, GHG emissions, stability parameters and hydrodynamic profile. This helps naval architects and engineers evaluate where additional tanks, for example, should be installed on a ship, accounting not only for the total volumes needed, but also where they need to be installed to ensure safety. These simulations can be done from the early concept design stages, and only increase in accuracy as more details are added throughout the process.
The next leap in the use of digital twins is being advanced by NAPA Studios in its cross-industry project with major shipyards and ship owners. The project is focused on creating a secure data-sharing framework between shipyards and shipowners for the use of a single digital twin throughout the ship’s lifecycle. This enables the use of a vessel’s unique design data to optimise efficiency and safety at sea. It also builds a feedback loop for operational data to be fed back to inform new designs.
For ship owners, these advancements in 3D modelling and digital twin technologies mean invaluable insight into their future vessel even before any steel has been purchased. This removes the “guess work” when planning for the future and supports decision making with data and evidence.
Operational data - what’s new?
No two vessels are the same which means that ship designers need to approach each project creatively and intelligently. And in shipping’s multi-fuel and multitechnology era, there will be a multitude of design variations based on a ship’s operational profile and the routes it will sail. This means that ship designers can no longer rely on data from similar vessels, which is often incomplete or based on simplified rules.
Looking ahead, combining operational and historical data can be used to simulate future vessels, including the range of speeds at which the future ship will be operated as well as its future fuel consumption. This helps determine the optimal engine power required, but also the size of the fuel tanks that will be needed for the vessel. Given that future fuels such as ammonia, hydrogen and methanol are less energy-dense than their fossil fuel equivalent, getting this assessment right is critical as it can minimise the loss of cargo space.
Simulation tools to model behaviour and compare fuel options
NAPA recently explored a potential new design framework in which simulation tools could be used to model a hypothetical future ship’s behaviour. Three design variations with different dimensions and configurations were tested, keeping the weight constant. Based on the modelled operational profile of the ship, 26 voyages for 2023 were simulated. The first step in the proposed framework was to build a hydrodynamic model using the 3D model to design the vessel. The second step is to define its operational plan, which is easier with retrofits but not impossible for newbuilds with the availability of AIS data in NAPA’s database. Finally, by combining this data with NAPA’s digital tools used for optimising real ship operations, ship designers can simulate realistic voyages including estimating speed, engine loads, fuel consumption, and emissions.
Taking this one step further, these simulations can inform estimations of future fuel consumption, allowing ship owners to compare the costs and emission reduction benefits of different fuel options for a specific vessel. They can also simulate different route options based on weather data. This approach highlights significant cost and emission differences between design variations, helping owners unlock substantial savings by accounting for new operational expenses but also factoring in EU ETS and FuelEU Maritime compliance.
Shipping is transforming on every front but the two biggest drivers for change remain digitalisation and decarbonisation. They work hand in hand to push the industry to innovate and comply with changing regulations. But to reap the full benefits of this transformation, ship design needs to be a proactive and collaborative project with stakeholders across the value chain, from ship designers to ship owners and class.
The digital tools to build safer, smarter and more efficient vessels already exist and can be used to answer some of the industry’s most pressing questions around the energy transition. We need more innovative and creative thinking, as well as the technical expertise, to bring these solutions to life.
■ Janne Huotari, senior R&D engineer, NAPA
HOULDER’S ENGINEERING
MASTERY
Naval engineering and design consultancy Houlder has been working with clients providing innovative maritime solutions to a range of issues from propulsion to offshore wind construction for many years. We spoke to Jonathan Strachan, chief technology officer at the company about his role and the company’s ethos
Jonathan Strachan joined Houlder in 2013 as a project director, having previously held various roles at maritime heavyweights including Lloyd’s Register (LR) and Carnival. On working for a class society and a shipowner, he says while LR makes sure the rules are applied and the statutory regulations abided by, alternatively “a shipowners focus [Carnival] is more on making sure that what it says in the spec is actually delivered, and making sure that what it says in the spec will do what you need it to do commercially.”
Having seen the maritime industry from these alternate viewpoints is a surely a boon when it comes to the world of design and engineering.
The Houlder name has a rich history in shipping dating back over 150 years to a previous incarnation Houlder Brother Shipping Line. Today’s Houlder diversified from its oil and gas roots put down in the 1970s and early successes include winning a contract for the design and build contract of six RoRo vessels that formed the UK Ministry of Defence Strategic Sealift Service worth over £1 billion.
The company’s therefore been around in one form or another since the 1860s, which is similar to one of its clients, German engineering giant Siemens. In 2016 Houlder was the first UK company to be awarded a contract working on offshore wind farms, in this case on the Siemens project, Galloper. The contract covered the design of blade rack, tower and nacelle fastenings to be used during the transport of Siemens 6MW turbines to the project site. The contract was a success and opened the door for Houlder to be involved with other projects in the sector. “It gave us a really good insight into all the various components for the wind
turbine generators, the transition, the monopiles and so on,” recalls Strachen. Given the size of the parts used in offshore wind farms, each blade has a length in excess of a football field for example, the transport of said components is an engineering feat in itself and Houlder was on hand to provide the technical expertise needed.
Innovation, IP and partners
Emanating from the company’s work for Siemens on the Galloper project came the development of the pile prop, in conjunction with another engineer, procurement and construction (EPC) player Caley. This is a specialised device used to temporarily stabilise and position a monopile (the main foundation pile for an offshore wind turbine) during installation, providing localised rigidity and preventing unwanted movement before the final grouting process secures it into the seabed.
These innovations reveal a characteristic about Houlder, this is its ability to partner with others in the pursuit of solutions. “We tend to work with clients who are developing their own tools and IP,” says Strachen. Another example would be the company’s work with SenseWind Technology, a wind power installation firm. This collaboration saw Houlder aid with the developing of a “crawler”, a device that walks up a turbine thereby negating the need for additional cranes during the installation process.
Ahead of the curve
One area that has hit the news recently but Houlder was involved in two years ago is the development of liquid
■ Testing in waves for validation Credit: Houlder
hydrogen carriers. For this endeavour the company was in partnership with energy major Shell and Houston, Texasbased EPC player CB&I. Strachan, speaking at the time, described the project as “very cool” adding drolly “both literally and metaphorically” in reference to hydrogen’s liquid state being at -253 degrees centigrade (only a few degrees above absolute zero). The concept received an AiP from DNV for the design of a liquid hydrogen cargo containment system. Houlder had also worked with Shell on hydrogen containment systems and carried out a ship piping and instrumentation review for ships carrying hydrogen as a cargo or as a fuel.
When it comes to what sets Houlder apart from other design and engineering companies, Strachan looks to home, this being Houlder’s Optimisation and Modelling Environment (HOME). This is the company’s in-house R&D technology which allows it, for example, to plot how a vessel will perform using fundamental naval architecture or physics when energy saving measures have been applied. “It allows owners to make informed decisions about what is a good option for them,” says Strachan about the department.
Given the tsunami of regulation hitting the shipping sector at the moment, Houlder has incorporated that into its forecasts and plans going forward. “Working on incorporating all available regulations, chart when the time certain fuels are going to make sense and working with clients to work out when certain fuels will be available and where,” says Strachan. This ethos may please shipowners looking to navigate FuelEU Maritime, a regulation which began its punitive measures to reduce emissions on 1 January this year.
But looking to future fuels to remain compliant is a costly solution and with the well-to-wake methodology being imposed by more regulators, even prima facie “green” fuels like methanol may come unstuck by the probing of the EU’s team of fuel verifiers. Houlder has released research into one tactic employed by fleets to increase fuel efficiency and thereby reduce emissions, slow steaming, which can be read here. Strachan talks about another area the company has been looking at to increase fuel efficiency and thereby reduce emissions. This is decreasing a ships resistance to waves in various sea-states.
The company’s COMLink project, in collaboration with Southampton University and Siem Car Carriers, is looking at changes made in the design stage of a ship using models incorporating CFD and other computer-based aids to decrease the resistance to waves of a vessel. Strachan says this is an area that has not been looked at before and given the “relatively low cost” he predicts shipowners would have
It gave us a really good insight into all the various components for the wind turbine generators, the transition, the monopiles and so on ‘‘
to incur with a newbuild to incorporate these measures, could be a crucial initiative for maritime.
With its roots in the oil and gas industry of the 1970s but today with a command of a multitude of sectors, Houlder continues to push the boundaries of naval engineering. Its commitment to innovation, collaboration, and sustainability ensures it remains at the forefront of the maritime industry’s evolution. Whether through pioneering offshore wind solutions, advancing hydrogen transport technology, or optimising vessel efficiency, the company’s expertise positions it as a trusted partner in shaping the future of shipping. With the industry facing increasing regulatory and environmental challenges, Houlder’s ability to anticipate and adapt to these changes will undoubtedly keep it ahead of the curve for years to come.
■ Houlder underlined uncertainty in the shipping industry during a survey
■ Jonathan Strachan, chief technology officer
NIPPON PAINT MARINE
BIOCIDAL-FREE
COATING
The International Convention on the Control of Harmful Anti-Fouling Systems on Ships from the IMO was intended to protect sea life from harmful substances applied to hulls. Long gone are the days when lime and arsenic were attached to the hulls of sailing ships but biocidal coatings have persisted. We spoke to Kazuaki Masuda, corporate officer in the technical division of Nippon Paint Marine about its AQUATERRAS solution, a biocide-free coating applied to ships to stop barnacles and other obstructions attaching and thereby reducing vessel speed
How does AQUATERRAS contribute to environmental sustainability compared to traditional biocidal antifouling paints?
Our AQUATERRAS solution is a pioneering development in coatings technology from our R&D team. It represents the world’s first hull coating that provides industry leading protection, whilst remaining 100% biocide-free. Taking inspiration from innovation in wider sectors, our research team developed AQUATERRAS's biocide-free self-polishing coating with technology and material originally developed in the pharmaceutical sector, by using medical antithrombogenic polymer technology.
Our R&D team developed a new form of hydrolysis by combining hydrophilic and hydrophobic micro-domain structure on the coating’s surface to prevent biofouling. As a result, AQUATERRAS naturally repels any biological adhesion onto its surface through the constant exposure of its active micro-domain structure that is realised by the fine-tuned continuous self-polishing.
What performance data can you share regarding fuel savings and fouling prevention achieved with AQUATERRAS?
The combination of a hydrophilic and hydrophobic micro-domain structure creates a unique reaction which continually smooths the water flow around the hull surface as it travels in the sea, which has been found to reduce emissions by up to 14.7%, thanks to an average speed loss of just 1% over a 60-month period. The market average speed loss over a similar time period is 5.9%.
We have conducted extensive testing of the AQUATERRAS product to ensure its credentials as truly a biocide-free solution. Our research team studied its impact on marine fish, bivalves, crustaceans and seaweed, we found that none were impacted by the coating, which confirmed that AQUATERRAS posed no negative impact to marine life.
Are there any specific considerations or challenges when applying AQUATERRAS compared to conventional coatings?
No, one of the key characteristics of our AQUATERRAS coating is its ease of application. The coating has good workability and doesn’t require any special application apparatus or technical painting practices.
How has the market responded to AQUATERRAS since its launch, and what feedback have you received from shipowners and operators?
Since its release in 2017, through testing and application on more than 100 vessels, AQUATERRAS has received a
fantastic response from our customers and the wider industry. In fact, in 2021, AQUATERRAS was announced as the winner of the SAFETY4SEA’s Technology Award as well as the Seatrade Maritime Award, in 2023. The awards recognised the coating’s contribution to improving efficiencies, lowering operating costs and reducing emissions for the shipping industry.
An example of the trust that the market has in the technology was demonstrated in 2024, when we applied AQUATERRAS to Mitsui OSK Lines Ltd’s (MOL) 36,030 GT carrier, the Courageous Ace. Due to the vessel having to operate in multiple conditions around the world, the customer required a coating that could optimise performance in the harshest environments, which meant that AQUATERRAS was the ideal solution.
The coating was applied to the flat bottom, vertical bottom, and boottop of the vessel, which represented the first time MOL has used AQUATERRAS, and although it’s too soon to share detailed results, the initial feedback from the client is extremely positive.
Does AQUATERRAS comply with international regulations, such as the IMO's AFS Convention, and have you obtained certifications from classification societies?
Yes, our industry leading research and development teams are committed to innovating our product lines to ensure that our coating systems adhere to the highest industry standards. Our AQUATERRAS series complies with the IMO-AFS2001 Convention on the Control of Harmful Antifouling Systems on Ships as a tin-free coating system, and has received certification from leading class societies, including the Japan Paint Manufacturers Association, DNV, Lloyd’s Register, and Korean Register.
■ Kazuaki Masuda, corporate officer in the technical division of Nippon PaintPaint Marine
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CHINESE SELF-RELIANCE REACHES NEW LEVEL
China’s domination of the international market for the construction of large ro-pax ferries has gained a new edge through the delivery of the first in a series of almost entirely home-grown vessels for an Italian owner. By David Tinsley
■ Distinctive in form, the Chinesedesigned and -built GNV Polaris series will strengthen the owner’s expanding Mediterranean network
Click here to read article on The Motorship online
CHINA EYES EUROPE’S JEWEL IN THE CROWN
In less than two and a half decades – one generation – China has come to dominate global shipbuilding. The 2020s, and 2024 especially, have been banner years for Chinese shipyards. The country now commands around 60% of the worldwide mercantile tonnage orderbook, compared with just 10% in 2000. By David Tinsley
Notwithstanding structural changes in the Chinese economy, evidence of a slowing in the growth momentum, and recent talk of the incoming US political administration imposing tariffs on Chinese-built vessels, China’s increasingly adept shipbuilding sector looks set to consolidate its centrestage global position, abetted by government industrial strategy. Ever-improving product quality and contractual performance achieved at the competitive prices obtainable can only continue to draw in fleet investors.
Having shown its mettle across all types of merchant vessel, including specialised and more complex tonnage, the industry is now set on generating higher added-value from its collective endeavour, and creating a stronger business platform for the future, by expanding the homegrown technological and design content.
At the same time, the delivery of a major cruise ship expresses a move to broaden the commercial reach still further. On a par in size, capacity and standard with the European-built product, the 324-metre Adora Magic City has signalled determination to break into what is generally regarded as the most prestigious field of civil vessel construction, a segment in which the European shipbuilding industry is supreme.
China’s entry to the international market for large, luxury cruise vessels, and the attendant plan to develop a fleet to meet vigorously expanding domestic demand, has been underpinned by foreign know-how input.
But growing self-reliance in all technical disciplines and
craft trades associated with tonnage of the sophistication and outfitting intensity of passenger ships, can be expected to give added dimension to Chinese production in the coming years, and provide global players in the cruise business with an alternative and lower-cost option to having vessels built in Europe. Capabilities have already been graphically illustrated by China’s rise as the most prominent world supplier of large ro-pax ferries, with European operators as the main customers.
For the drive on the cruise ship front, China State Shipbuilding Corporation (CSSC) and Anglo-American company Carnival Corporation formally inaugurated a joint venture in November 2018 under the name CSSC Carnival Cruise Shipping, wherein CSSC ranked as the majority shareholder.
The creation of the undertaking was accompanied by the finalisation of an agreement for two vessels, initially specified as sisterships of 135,500gt, to be built by Shanghai Waigaoqiao Shipbuilding and crafted for the Chinese market. The two-ship deal was valued at about $1.5bn, and provided CSSC Carnival Cruise Shipping with the option to extend the build programme in China by up to four more vessels.
A separate joint venture was established by CSSC and Italian international shipbuilding group Fincantieri to provide the technical foundation for the cruiseship newbuilds in China, encompassing a technology licence for the ship model platform and support to Shanghai Waigaoqiao throughout the build process. The new, diesel-electric ships were accordingly laid down based on the proven Vista-class
■ Chinese-built using a foreign template: the nascent secondof-class for Adora Cruises
design, multiple examples of which have been produced in Italy for various brands of the Carnival Group.
ABB supplied an integrated package, the per-ship delivery having included two Azipod propulsors, five gensets, main switchboards, distribution transformers, and propulsion controls. The shipbuilding contractor has clearly gained appreciably from working with a European electrical engineering group so prominent in developing and providing complete, complex systems to cruise vessels.
CSSC Carnival Cruise Shipping subsequently became Hong Kong-domiciled Adora Cruises, which brought the first of the newbuilds, Adora Magic City, into service at the beginning of 2024. Fitted with 2,125 cabins for an adjustable passenger complement of between 4,250 and 5,246, the Adora Magic City made her commercial debut with a sevenday voyage out of the Wusongku International Cruise Liner Terminal, a contemporaneous development in Shanghai’s Baoshan district.
Making of a magic city
Construction of the Adora Magic City represented a pronounced learning curve for Shanghai Waigaoqiao, with Fincantieri acting as technical consultant, and was conducted at a deliberately methodical pace—over-and-above the time impediment occasioned by the effect of the Covid pandemic on yard personnel and material supplies—so as to ensure understanding and minimise re-working.
Illustrative of Chinese application to knowledge acquisition, the planned construction period for the second ship has been shortened by eight months relative to the first vessel, notwithstanding the post-contract decision to increase overall length by 17.4 metres. The enlarged volume (resulting in a gross measurement of 141,900t) has allowed for 19 more passenger cabins, raising the total to 2,144.
Float-out of the Adora Flora City is scheduled for June 2026, with a view to delivery towards the end of that year. The ship’s 2027 itinerary is expected to start with a voyage from Guangzhou Nansha International Cruise Port in Guangdong.
China’s track record in luxury vessels goes back further with a smaller category of tonnage, the pioneering SunStone series of polar-class expedition-type cruise ships. China Merchants Heavy Industry (CMHI) delivered the first of the 80-passenger capacity, 104-metre Infinity class in 2019, and subsequent vessels followed at intervals through to 2023.
Through the nomination of an Ulstein design, the most distinctive feature of these ‘high-end’ cruise vessels is the Ulstein-developed X-Bow. To support the shipbuilder’s first foray into the cruise market, Bureau Veritas provided an extensive design review, including regulatory compliance, structural and stability analyses. During the build process, BV specialists assisted with project management and quality control issues.
The Infinity and Adora programmes, together with the growing export reference list for ro-pax ferries, denotes an increasing Chinese capacity to pair value-for-money with a high-grade product. This is drawing wider attention from overseas cruise ship operators. The fact that the premier European players in cruise vessel construction have orderbooks stretching into the 2030s, against the backcloth of buoyant market demand, could also play to the advantage of Chinese yards.
One dark cloud on the horizon, though, with possibly negative consequences for tonnage sourcing, stems from the report that the Trump administration is considering imposing levies on Chinese-built ships calling at US ports.
Among the factors contributing to the pre-eminence of the European shipbuilders in large, luxury cruise ships is the
DESIGN FOR PERFORMANCE
well-developed industrial eco-system, encompassing designers, outfitting subcontractors and trade skills, onboard systems, equipment and engineering, complemented by a policy of amply resourcing R&D and investing in innovation. Sustained European competitiveness is also a factor of project management capabilities and production control, vital not only in ensuring contractual performance, but in realising the requisite financial outcome for the yard.
In fact, the continuity of one of the industry’s most august players, the hitherto family-owned Meyer Werft, which has consistently ploughed earnings back into the business, has only been assured by public sector intervention. In September 2024, the German Federal Government and the state of Niedersachsen signed contracts giving them about 80% control of the cash-strapped shipbuilder.
Given the Italian and French state holdings in Fincantieri and Chantiers de l’Atlantique, respectively, national involvement in the organisations keeping Europe to the fore in luxury cruise ship construction has accordingly become even more substantive.
Market dynamics
China’s burgeoning middle class and increasing disposable income fuelled the growth of tourism until the Covid pandemic, when China ranked as the world’s second biggest source of cruise passengers. After a four-year hiatus, market recovery is now well in evidence, with passenger numbers reported to have increased by 15% in 2024. Domestic and international cruises constitute an ever-more popular choice of vacation, and the projections are for substantial year-onyear growth in demand.
In a newbuild context, it is inconceivable that China would seek to develop fleet capacity by ordering abroad. The nurturing of domestic capabilities in the design, production and outfitting of cruise vessels is thereby keyed not only to penetrating a high added-value sector of the global shipbuilding business, but also to meeting the home market’s evolution and realising economic benefit to the regions involved.
Chinese ambition as to the international market for luxury passenger ships is coloured by achievements to date in the large ro-pax ferry segment, which calls for particular capacities and strengths in the supplier network, the outfitting trades and project management, as well as the practical and design skills relating to complex shipboard systems.
Now the pre-eminent global force in ro-pax ferry, deepsea and short-sea ro-ro vessel construction, collectively a field that had at one time been a major business area for European yards, China has come close to annihilating the European competition. As elsewhere, Chinese wage and material costs are certainly rising, but so is the quality and contract performance afforded at a still significant price differential with Europe. Moreover, ro-pax production has come to embrace vessels of high technological standard.
The two most recent examples of Stena Ro-Ro’s E-Flexer series are a case in point, as multi-fuel, hybrid ferries incorporating the highest battery capacities to date together with bespoke internal design and configuration tuned to the long-term charterer’s requirements.
Stena RoRo has commended builder China Merchants Jinling Weihai for quality and delivery performance, befitting the fact that the tally of E-Flexer contracts has reached 15, all underpinned by long-run charters to operators in North Europe, the Mediterranean and Atlantic Canada. Commonality of many elements coupled with serial production, of course, bears on price competitiveness, and potentially on yield per ship for the yard.
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TRAINS ONBOARD SHIP
During the 1970s shortages in oil supply, imposed in part by high prices and in part by the producing countries, there had been much speculation about the future of the large oil tanker.
However, the March 1975 issue of The Motor Ship took a positive view, confirmed in a report by consultant Eggar Forrester. Both felt that as the producers had achieved their aims in production and price levels, they would turn attention towards shipping the oil and building refineries. This would result in changes to the tanker industry, in that rather than moving large quantities of crude oil, product tankers would grow both more numerous and larger. 150,000 dwt product tankers were seen as a distinct possibility, but in order for such vessels to be viable, there were challenges to be overcome in terms of tank coatings and cargo handling. And reopening of the Suez Canal should being about a new breed of tanker, the so-called ‘Suezmax’.
The main ship description concerned a ship type that is uncommon in today’s industry – a train ferry. A consortium of German, Swiss and Finnish rail companies had commissioned, from the Rickmers yard, a 6,000gt rail ferry, Railship 1, said to be the largest of its type. With three cargo decks, up to 60 rail wagons could be loaded through the stern door via a five track link span. Wagons were transferred from lower to upper decks by hydraulic lifts. One problem was differing rail gauges between the European and Finnish systems, overcome by changing the wheels on the wider Finnish wagons, a common practice on through international freight. Six specially-designed diesel shunting locomotives were carried on board Railship 1. With such heavy cargo, a sophisticated trim and heel system was provided.
For such a novel ship, its machinery was relatively conventional. Main engines were four MaK 8M51AK medium speed units, each rated 5,000 bhp, driving two Lips CP propellers. Total investment in the project was said to be in the order of DM 85m (£15.4m), much of which went into the shore facilities at Travemunde and Hanko. Whether the venture would prove viable was unknown – but if the ship failed as a rail venture, there was the possibility of converting it to carry road vehicles.
A second rail-owned ferry featured in the March
1975 issue, this being St Edmund, a ro-ro freight vessel for the Sealink Harwich-Hook of Holland service. The 131m long ship was the largest in the British Rail fleet, and the first to be powered by Stork-Werkspoor main engines, most of the others relying on Pielstick power.
On the machinery side, it was reported that the ‘3 Maj’ works in the former republic of Yugoslavia had reached a total output of 1m bhp of Sulzer engine. Sulzer had granted 3 Maj the licence in 1954 for low-speed two-stroke RD type engines. The first, delivered in 1961, was a 7,800 bhp 6RD76, for a Polish cargo vessel. By the end of 1974, 88 engines had been completed, with a Russian order for a 6RND90, due to be delivered in April 1975, reaching the 1m bhp milestone. Future prospects looked good, with the works being capable of building later Sulzer RND-M designs, including the largest version, the RND105M. Alongside the Sulzer production, the plant undertook various machining work for outside customers, and the parent company had taken on a licence for SEMT Pielstick, with the first, a pair of 12PC3 engines, to be built at 3 Maj.
Beside the engine works, the 3Maj shipyard had seen expansion, allowing a production line process for building blocks, with numerically controlled machinery.
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■ A cutaway model of the Railship 1 train ferry
■ A Sulzer 6RND90 on the 3 Maj test bed
7 – 9 October 2025
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