The transport sector’s plan for a better climate
49 ways to save fuel
Enough talk about the climate - now it’s time for action Dear Transport Manager, The climate is one of the great global issues of our age, and many grand words and formulations have been expressed. We want to avoid the dramatic consequences of global warming becoming a reality. Because depending on how greenhouse gas emissions develop over the next few decades, the average temperature of the Earth will rise by between 1.1 and 6.4°C. At the same time it is expected that the world’s sea levels will rise by between 20 and 60 cm. The transport sector must of course make its contribution towards climate improvements. And in transport companies we are in the fortunate position – if that term can be used in this context – that measures taken by companies to improve the climate can also help the bottom line, as fuel is saved. We must act here and now. For this reason the Danish Transport and Logistics Association (DTL) and the Danish Chamber of Commerce have produced this brochure. Here we describe products on the market to improve the climate and plenty of good advice that Danish transport companies, and to some extent other sectors as well, can implement in their companies to reduce fuel consumption and CO2 emissions. DTL and the Danish Chamber of Commerce have collaborated with experts, industry specialists, manufacturers and suppliers to create this brochure. Suppliers to the haulage industry have contributed product knowledge and good advice, and for the first time solutions that are ready for the market have been brought together in one single place. Companies in the transport sector already use many of the aforementioned products and pieces of advice, partly because fuel consumption represents up to 28 per cent of a transport company’s costs. But there is more that can and must be done, here and now. One day the transport sector will use electricity, hydrogen or other fuels instead of diesel. But those technologies are not ready yet.
CONTENTS: Leader......................................................................................................... 2 Tyres............................................................................................................. 4 Axles............................................................................................................. 7 Wheel rims................................................................................................ 9 Oil................................................................................................................10 Drivelines.................................................................................................12 Navigation/Control.............................................................................13 Drivers’ driving habits........................................................................16 Cabs............................................................................................................18 So, this brochure is not science fiction. Most people will therefore nod in recognition at many of the products in the brochure. They are all tried and tested and ready for use. But we cannot put precise figures on the climaterelated and economic benefits, partly because a lot depends on the vehicles you use in your company, and the way in which your drivers actually drive. But the savings quoted in the brochure are the experts’ best estimates.
Screening/covers..................................................................................20 Curtain side trailers.............................................................................22 More space..............................................................................................23 Refrigerated vehicles..........................................................................25 Checklist...................................................................................................27
All in all, we at DTL and the Danish Chamber of Commerce believe that the many suggestions in this brochure represent a good contribution to the Earth’s climate from the transport sector. Use them! Pleasant reading!
How to find out more information
Erik Østergaard Managing Director Danish Transport and Logistics Association
Jens Klarskov Managing Director Danish Chamber of Commerce
The suggestions that you will find on the following pages are only described in general terms, and the descriptions cover product types rather than specific products. Before you decide to invest, it is important that you speak with suppliers about your particular vehicle, your driving patterns and your needs. You can obtain more information from the following suppliers, whom we thank for having contributed their knowledge to this brochure: Comlog A/S, tel. +45 96962626, www.comlog.com Goodyear Dunlop Tires Danmark A/S, tel. 43208188, www.goodyear.dk Iveco Danmark A/S, tel. +45 445705290, www.iveco.dk Knud Hansen Køleanlæg A/S, tel. +45 73302500, www.knudhansen.dk Kyborg A/S, tel. +45 70204442, www.kyborg.dk Michelin Nordic, tel. +45 43260700, www.michelintransport.com OK, tel. +45 70102033, www.ok.dk Renault Trucks Danmark A/S, tel. +45 36497200, www.renault-trucks.dk 3
Schmitz Cargobull, tel. +45 74674024, www.schmitz.dk Volvo Lastvogne Danmark A/S, tel. +45 44546600, www.volvotrucks.dk
The booklet can be downloaded at www.dtl.eu
TYRES Choosing the right kinds of tyres Tyres are not just tyres. The right tyre reduces rolling resistance, improves safety and saves fuel.
port. A test shows, for example, a difference of 6% between tyres with low rolling resistance and regional/standard tyres.
A tyre that is not suitable for the type of driving in question, e.g. contracting, freight or export driving, has an unnecessarily high rolling resistance and means extra fuel costs throughout the tyre’s entire service life.
Expected CO2 saving: up to 6%, corresponding to 6 tonnes CO2 per 100,000 km.
When speaking to your supplier about your tyre needs, you must also mention any problems you might have had with your current tyres. Remember to mention, for example, if you have traffic heading north or south, where consideration might have to be given to different weather conditions.
Expected payback time: depends on the vehicle in question, which routes are covered, the mileage driven and maintenance of the tyre. Other product benefits: Tyres are different and the benefits vary according to the manufacturer. But in general European brands weigh less. This means that less material weight has to be set in motion and braked. Less weight also means that there is an opportunity for a slightly heavier load.
Expected fuel saving: depends on the type of tyre that is suitable for a given kind of trans-
When trailers are hired/leased, you should make sure that the tyres and the tyre pressure are in order – you’re paying for the fuel, and you will be paying extra if the tyres are not optimal. For example, if you drive your own tractor unit with optimal tyres, and hire a trailer with tyres that are not optimal, approx. 50% of the whole vehicle unit’s rolling resistance (trailer) is affected. This has a negative effect on fuel consumption and makes it difficult to achieve any fuel savings.
Energy-efficient tyres â€“ low rolling resistance The rolling resistance in tyres can account for up to one third of fuel consumption. If you Âchoose a tyre with a low rolling resistance, there is thus a major opportunity to make savings. The savings depend on which tyre is fitted to the vehicle, by the air pressure and by the general condition of the tyre. The benefits of energy-efficient tyres naturally increase, the more the vehicle drives. This means that there are particularly high savings to be made by being aware of tyres and tyre pressure when driving on export business.
Expected payback time: There is not necessarily any additional cost for energy-efficient tyres with low rolling resistance compared with, for example, a standard/regional tyre. It is therefore not a question of payback time, but rather of a large potential net saving. Other product benefits: The tyres can be re-threaded when worn, which reduces the rolling resistance, albeit only on tyres for drive shafts, bogie and trailer axles because of the risk of cutting into the steel, which has safety implications.
When the rolling resistance has to be reduced, it is important that the wheels are measured and aligned. Remember to include the whole tractor and trailer unit. Genuine energy-saving tyres are available for all kinds of driving, although there is no documentation covering the area of special transport and contracting transport. In these areas there is currently a greater focus on the load-bearing capacity and resistibility of tyres. Expected fuel saving: 3-6%. Expected CO2 saving: Up to 5-6 kg CO2 per 100 km.
Automatic monitoring of tyre pressure Tyre pressure is crucial for a vehicle’s fuel economy. The correct tyre pressure also gives a vehicle’s tyres a longer service life. Online control provides excellent opportunities to monitor the tyre pressure, and action can be taken quickly if the tyre pressure falls. Data on tyre pressure are sent to the office, and can also be monitored by the driver in the vehicle. Automatic monitoring can be supplemented by an alarm in the driver’s cab. Checking tyre pressure is relevant for all kinds of vehicles and driving patterns. And an online control unit can be used when the vehicle has EBS. If the right EBS is present, the control unit can be installed in the vehicle as an extra. The systems can transmit data via all telecommunication systems.
Expected fuel saving: If the air pressure is 20% too low, there is an increased rolling resistance of 8%, which corresponds to a 2.6% increase in fuel consumption. Up to DKK 10,000 can be saved for every 100,000 kilometres driven. Expected CO2 saving: Up to 5%. Expected payback time: Approximately 8 months. Other product benefits: Optimal tyre pressure means less wear on tyres and roads, and also improves driving safety through more effective braking. Optimal tyre pressure also provides better stability on the road and increased comfort.
Many suppliers to the transport industry offer service packages adapted to each individual haulier’s driving requirements. These packages offer particularly good value for money for export vehicles that drive long distances. Service can be performed at workshops in Europe. 6
AXLES Alignment of axles It is important that all axles on tractors and trailers are correctly aligned, and if they are driven in a fixed combination it is a good idea to align the tractor and trailer together. When axles are correctly measured and aligned, rolling resistance and therefore fuel consumption are reduced, and there is less wear on the tyres. Alignment should be checked during the annual inspection and on an ongoing basis by means of visual checks in the business. A check and correction of any faults will take about three hours at various service providers. Expected fuel saving: Approximately 5% (if the whole tractor and trailer unit is aligned: up to 25%). Expected CO2 saving: Approximately 7,000 kg/year. Expected payback time: Approximately 1 month. Other product benefits: Less wear on tyres, better driving comfort in the tractor and increased driving safety.
When a trailer is hired/leased, you should demand that the wheels are correctly aligned – you’re the one paying for the fuel.
Raise axles when transporting light goods or driving empty If the vehicle has bogie or pusher axles, the second and third axles respectively can be raised when transporting light goods or driving empty. This means less rolling resistance because of fewer wheels and reduced fuel consumption. You must make sure that the number of axles being used is adapted to the total weight of the vehicle. Can be used on all vehicles and trailers with airlift axles. Expected fuel saving: 1-5%. Expected CO2 saving: Approximately 1-5%. Expected payback time: Approximately 1 year. Other product benefits: Less wear on tyres.
One alternative is: Load Spreading Program (LSP) automatically removes the pressure on the trailerâ€™s rear axle when it is not necessary to use it, e.g. in connection with a partial solution. As well as reducing fuel consumption, this also reduces the risk of driving overloaded, driving properties are improved and the turning radius is reduced. Can also be operated manually, if a smaller turning radius is necessary.
WHEEL RIMS Aluminium wheel rims Aluminium wheel rims are 16 kg lighter than steel wheel rims. This means lower fuel consumption and a slightly higher net load. Aluminium wheel rims are best for road transport. Expected fuel saving: 1.5% for local distributions operations, 2.5% for long-distance transport. Expected CO2 saving: 1.5% for local distributions operations, 2.5% for long-distance transport. Expected payback time: 1-2.5 years, depending on driving patterns. Approximately 1 year for an export vehicle and approximately 2.5 years for a vehicle transporting freight locally. Other product benefits: Brakes, brake discs and tyres will have a longer service life, as less heat is transferred to these parts from the wheel rim. The heat reduces the strength of the brakes, discs and tyres. Aluminium wheel rims do not rust. This makes maintenance easier. Product limitations: Unlike steel wheel rims, aluminium wheel rims cannot be re-shaped if they are damaged, and they should therefore be used with care in connection with contracting transport. In many cases aluminium wheel rims can be used for contracting distribution, but they are not recommended for contracting transport in gravel pits, quarries, etc.
OIL Synthetic oil â€“ high-quality oil Synthetic oil produces lower friction in the engine and therefore better fuel economy than mineral oil. Synthetic oil is recommended for all lorries with a combination of driving patterns, and is especially suitable for tough operating conditions. Expected fuel saving: Approximately 1-2% in the whole driveline. Expected CO2 saving: Approximately 1-2%. Expected payback time: Synthetic oil is expensive to buy, but as it extends the engineâ€™s service life it is cheaper in the long run. Synthetic oil also does not evaporate easily, thus reducing oil consumption. Other product benefits: Synthetic oil means lower maintenance costs. It circulates more quickly than regular oil and therefore protects the engine quickly once the vehicle has started. The vehicle starts up more easily, which means that the engine experiences less wear while its service life is extended. As the oil does not evaporate, the number of oil changes is reduced. 10
The use of biofuel is a possibility when filling up in Sweden, as the charges are different there.
DRIVELINES Automatic gear for correct specification of driveline When the engine, gearbox and gear – in other words, the driveline – are aligned, the lowest possible amount of fuel is used in the driveline. This is relevant whatever the vehicle type and driving pattern. The net weight is a little lighter than a manual gear, meaning less weight has to be moved. This also produces a fuel saving. Expected fuel saving: 3-10%, depending on how the driver drives.
driver and better driving safety, as the driver can focus on the actual activity of driving. An automatic gear means longer service life for the vehicle, and the vehicle’s resale value is also increased. Product limitations: It is still necessary for the driver to be trained and to drive with foresight, e.g. assessing the need for upcoming braking and acceleration.
Expected CO2 saving: Up to 10% or 11,000 kg/ year. Expected payback time: Approximately 6 months. Other product benefits: If an automatic gear is used you avoid overloading the whole driveline, as the correct gear is always selected. This results in a longer service life for the vehicle, less physical work for the
Avoid unnecessary idling. When the engine is idling it uses up to 2 litres of fuel an hour, e.g. if the air-conditioning system and the engine’s cooling fan are running. If the vehicle is idling for one hour a day for 250 days, this corresponds to approximately DKK 3,000.
NAVIGATION/CONTROL Route planning system/Navigation The benefit of automatic route optimisation and route guidance via navigation is that fewer kilometres are driven and more direct routes are used. Route planning and GPS navigation can be used for all driving patterns. Thorough route planning and GPS navigation are especially important when using relief drivers, new routes or new employees. Expected fuel saving: 10-20% Expected CO2 saving: 10-20%
can be sent straight to the screens in the vehicles. It only takes a few seconds to work out a route. The system makes it possible to give the customer a relatively accurate delivery time, and it is easy to enter information about new customers. Route planning can be combined with a fleet management system. Systems can not only perform general route planning, but also take into account special requirements for the delivery of goods and information about the vehicle’s capacity. Orders can be entered electronically, and the systems can link product groups with vehicle types.
Expected payback time: 6 months -1 year. Other product benefits: A company can save a lot of time by not planning routes manually, and route descriptions
The fuel in the tank is also a weight that has to be transported. Consider whether the tank needs to be filled before the trip, or whether it is better to fill up on the way. Avoid long detours to fill up, and consider the time used for filling up and the risk of condensation. Also consider the size of tank you will need when acquiring a vehicle.
Fleet management A fleet management system can guarantee optimal, efficient utilisation of a vehicle fleet. The system can easily define an individual vehicle’s location to an accuracy of approxi mately 10 metres. Fleet management visualises the vehicles’ and drivers’ journeys, and makes it easier to avoid driving with no load and wasting kilometres driven because of poor communi cation between office and driver. Filling up with fuel can also be checked. This product is relevant for all types of driving and vehicles, and can be installed in all vehicles. Expected fuel saving: Approximately DKK 20,000 per 100,000 kilometres driven. Expected CO2 saving: Up to 10%. Expected payback time: 6 months - 1 year. Other product benefits: Documentation of the vehicle’s geographical journeys can be used for customer service purposes. Fleet management systems also guarantee better utilisation of resting times, prevent fines, provide the facility to download 14
the digital tachograph, simplify communication between driver and office, and can also be used when calculating wages and hours worked. Experience also shows that they provide drivers with reassurance. Note that many fleet management systems can be combined with other IT solutions.
Cruise control Cruise control makes sure that the vehicle always maintains a constant speed. This means there is no fluctuation in speed, unless the driver actually brakes or accelerates, and the constant speed level means that fuel is saved. Cruise control is relevant for all types of vehicles and driving. It is GPS-based and is updated regularly. The driver can monitor what is happening at all times. Expected fuel saving: Approximately DKK 20,000 per 100,000 kilometres driven. Expected CO2 saving: 5-10%. Expected payback time: Up to 1 year when purchasing a new vehicle. Other product benefits: In addition to the fuel saving, the product means fewer speeding fines, less stress for the driver and therefore better driving safety.
Maintain a constant speed – avoid accelerating or braking unnecessarily.
Use cruise control sensibly, e.g. less on curves and in heavy traffic.
Limit the use of cruise control when driving in very hilly terrain. Make use of the vehicle’s momentum downhill and partly up the next hill – let the vehicle roll, and ease off on the accelerator before the top of the hill.
Use the engine’s torque and accelerate quickly up to driving speed – allow shortterm high revolutions outside the economy range in low gear.
Product limitations: GPS does not work in tunnels, which means the cruise control does not work either, and the driver has to act. 15
DRIVERS’ DRIVING HABITS Measurement of driving technique – Eco-Driving If you measure the drivers’ driving technique this can highlight areas for improvement and allow you to instruct drivers how to drive so that their driving becomes more fuel-efficient. The system measures when vehicles are filled with fuel, braking techniques, idling, km/l and top speed. Data are sent straight to the office and can be used to produce statistics. Drivers can also monitor measurements in the vehicle. The office can produce objective comparisons of drivers, vehicles and their fuel consumption regardless of load, the vehicle’s age, engine size, etc. With a system to measure driving technique, drivers feel a greater sense of responsibility for optimising fuel economy, but the system should be supplemented by a training programme for the drivers. Measurement of driving technique is relevant for all types of vehicles and driving, and systems can be used in vehicles with the CAN BUS communication network, which was produced after 1996.
Other product benefits: Defensive driving means less wear on equipment and therefore a longer service life, partly because of a lower stress threshold in the driver. A lower stress threshold also increases road safety, causes fewer injuries and increases the industry’s reputation. Product limitations: One argument against the product is that if the driver reduces his speed, he spends longer on his trips. But this loss of efficiency is marginal compared to the fuel savings that result from energy-efficient driving.
Reduce speed, set the speed limiter at 80 km/h.
Never leave the vehicle in neutral – when the vehicle rolls in gear it consumes no fuel, but it does in neutral.
Expected fuel saving: 6-12% / approximately DKK 24,000 per 100,000 kilometres driven. Expected CO2 saving: 6-12%. 16
Expected payback time: 0-3 years.
Switch off the engine when the vehicle is standing for more than 30 seconds.
Course in energyefficient driving
Course in behavioural changes in the company
If a driver undergoes training in energy-efficient driving and/or updates his knowledge and adapts his routines, you achieve better fuel economy. It is important to follow up on the course with incentives, prizes, etc. to sustain the savings.
If drivers are to change their driving technique in the longer term, there must be a change of behaviour in the company. It is a good idea for management in the company to undergo a course in how to change and sustain a change in behaviour.
Courses are relevant for all forms of driving.
Courses are relevant for all managers who are trying to change the routines of drivers.
Expected fuel saving: Approximately 12%. Expected fuel saving: Approximately 10%. Expected CO2 saving: Approximately 12%. Expected CO2 saving: Approximately 10%. Expected payback time: Approximately 2 months (including costs of absence from work). Other product benefits: Improved driving technique means less wear on equipment, less stress in the driver, who thus makes fewer mistakes, and fewer injuries. Product limitations: Drivers fall back into their old driving habits, so the course should be repeated every other year. One short-term inconvenience is absence from work.
Let the engine work – keep the revolution speed within the green economy range.
Avoid frequent gear changes – use the engine’s moment of rotation and change full gear if possible. If there is an I-shift in the vehicle, let the computer do the job for you.
Expected payback time: Approximately 12 months. Other product benefits: A better working environment resulting from clearly defined guidelines.
Read the traffic, look ahead – be aware of, whether, for example, you need to brake in a short while, and avoid coming to a standstill if possible.
Try to relax when driving.
Run the engine at low revolution speeds, even if it sounds “heavy”– modern engines can cope with tough wear.
CABS Air Cooler An air cooler keeps the cab cool at night, so you can avoid the lorry idling. A cooler is especially relevant for exports to the south. A cooler can be fitted in 4-5 hours and has a service life of approximately 5 years. The driver can take care of service. Expected fuel saving: Approximately 2,500 litres/ year. Expected CO2 saving: Approximately 7,500 kg/ year. Expected payback time: Approximately 8 months. Other product benefits: Avoid engine noise from the lorry, no workshop maintenance, better internal climate in the cab and no pollution from the vehicle. Product limitations: The cooler cools approximately 6 degrees in relation to the temperature outside the cab. The bigger the cab, the less effect the cooler has.
SCREENING/COVERS Spoilers A spoiler reduces wind resistance and therefore fuel consumption. A spoiler is effective on all Âvehicles and for all driving patterns, but especially on export vehicles that cover long distances. A spoiler can be fitted after delivery. The top spoiler must be adjusted in relation to the height of the trailers. Expected fuel saving: Approximately 5%. Expected CO2 saving: Approximately 5%. Expected payback time: Approximately 2 years. Other product benefits: The vehicle is easier to clean, as hooks are covered up. Product limitations: Take care to ensure that the spoiler is correctly adjusted, as otherwise there is a risk of more turbulence â€“ meaning higher fuel consumption.
Remove superfluous items from the tractor unit, so that wind resistance is reduced. 20
Skirts can improve the aerodynamics of both tractors and trailers – and contribute towards better fuel economy.
Cover the platform with a correctly secured sheet. This reduces air resistance, especially when driving with a tilting trailer or an open container – and when driving with no load.
Skirts can be fitted after delivery. Expected fuel saving: Approximately 3%. Expected fuel saving: 1-2%. Expected CO2 saving: 1-2%.
Expected CO2 saving: Approximately 2,500 kg/ year.
Expected payback time: Approximately 5 years.
Expected payback time: Approximately 1 year.
Instead of skirts, two pallet boxes can be fitted under semi-trailers – one in front of and one behind the unit. This can achieve an effect that is equivalent to approximately 60% of the effect of skirts.
Other product benefits: No part of the load is blown off the platform.
Product limitations: Increased heat in the tyres – which reduces their service life.
Be aware of the Danish Road Safety and Transport Agency’s subsidy scheme. The Agency has allocated DKK 42 million in the period 2009-2012 to promote better aerodynamics in lorries. Of this, DKK 37.5 million has been set aside to fit skirts and spoilers to lorries in the goods transport sector. Go to www.fstyr.dk for further details.
Detach any non-statutory lights, and save energy on the bulbs and wind resistance. 21
CURTAIN SIDE TRAILERS Height-adjustable trailers If you are using curtain side trailers, you can reduce the height of the trailer by up to 30 cm. This reduces the trailerâ€™s wind resistance, thus saving fuel. The adjustment takes about 10 minutes, and it will still be possible to use the sliding roof. Curtain side trailers are especially relevant for long-distance transport. The height adjustment unit can be fitted after delivery. Expected fuel saving: Approximately 3%. Expected CO2 saving: Approximately 5,000 kg/ year. Expected payback time: Approximately 1 year. Other product benefits: Can be adapted for all tractors, regardless of step height.
MORE SPACE Double load platform If you operate with a double load platform you have twice as much space for goods that cannot be stacked up the roof of the vehicle. A double load platform is thus most effective when you are transporting goods on pallets, parcels and freight. A double load platform must be maintained, especially if it is a hydraulic system that raises and lowers the platform. There are also manual systems. The use of a double load platform requires the driver to undergo special instruction in how to use the system. When twice as many items are being transported, it is important that the route is planned with care.
Other product benefits: Improved profits because of fewer driver- related costs and costs of tractor units. Product limitations: A major investment must be made in the double load platform. The maximum total weight can place a limitation on full utilisation of capacity – a consideration that becomes more relevant, the greater the net weight of the vehicle itself. There are now also triple-deckers on the market.
Expected fuel saving: the saving should be viewed in the form of the vehicle that is no longer needed, as goods for two vehicles are transported in one vehicle. 100% more items are transported, al though fuel consumption will increase by 20-30% because of the increased weight. The additional consumption depends on the weight of the goods. There will also be extra consumption of propellant for the double load platform’s hydraulic systems. Expected CO2 saving: up to about 30%. 23
The European Modular Concept Two European modular concepts can transport the same as three regular lorries. Driving with the European modular concept is efficient when transporting a full load, e.g. from goods terminals. Expected fuel saving: 15% or 30% for volume transport (light weight). Expected CO2 saving: 15% or 30% for volume transport (light weight). Expected payback time: Down to 1 year, if there is no investment in terminals, etc. Other product benefits: Improved profits, partly because of fewer driverrelated costs, and fewer tractor units have to be used. Product limitations: The European modular concept can only operate on a limited road network.
REFRIGERATED VEHICLES Energy screens An energy screen in refrigerated vehicles can cut air exchange and reduce both the cooling requirement and fuel consumption. A screen blocks off the air when the doors are open. Then, as the refrigerated chamber is emptied of goods, a screen can be used to block off the remaining goods so that energy is not used unnecessarily to chill the empty area of the refrigerated chamber. Distribution vehicles will thus achieve the greatest benefit from a screen. The screen is operated by remote control and a timer, so that it works automatically. And it can be fitted after delivery.
Cooler box in trailers A cooler box consists of two outer layers with insulation between them. The outer layers can be made of glass fibre or hot-galvanised steel. If steel is chosen, the insulation effect is increased by up to 11%. This reduces the consumption of fuel for cooling. A steel box can also be up to 1,000 kg lighter. There is therefore less weight to be transported, which also generates a saving in fuel consumption. This kind of insulation is suitable for all refrigerated and box trailers. Expected fuel saving: Approximately 10% in the actual refrigeration unit.
Expected fuel saving: Approximately 20%. Expected CO2 saving: Approximately 20%. Expected payback time: Approximately 24 months. Other product benefits: Extra protection against any deterioration in the quality of goods.
Expected CO2 saving: Approximately 10% in the actual refrigeration unit. Expected payback time: No real price difference between glass fibre and hot-galvanised steel when purchased new. Other product benefits: The benefit of steel is also greater strength, less vulnerability to damage and the risk of mois ture/heat penetration – resulting in poorer insulation. As the weight of the cooler box is reduced, more goods can be transported.
CO2-neutral cooling unit
Monitoring the temperature in refrigerated vehicles
There are cooling units for refrigerated vehicles that can recycle CO2 that has been collected in industry. The cooling unit is most suitable for national transport operations, as there are not many filling stations. At present the only filling stations in Denmark are in BrĂ¸ndby and Odense.
The system registers the temperature during transport and can also register when the door is opened. The system can also stop and start the cooling unit. This produces optimal temperature control, and energy consumption is minimised.
Expected fuel saving: Approximately 96% of the average consumption of an equivalent diesel unit. Expected CO2 saving: Approximately 96% compared with a traditional, diesel-powered cooling unit. Expected payback time: Neutral compared with traditional units. Other product benefits: The unit takes up less space and weighs less than a diesel-powered unit, and also makes less noise.
Expected fuel saving: Approximately DKK 2,000/ year. Expected CO2 saving: Approximately 5%. Expected payback time: Approximately 2 years. Other product benefits: The system logs data with a view to documentation of the quality of the goods and can alert the driver and office staff in the event of a temperature fluctuation. Product limitations: The systems are not always compatible with old cooling units.
Give some thought to the colour of the refrigerated vehicle. For example, a dark green vehicle consumes 64% more energy than a white one, as white reflects more sunlight than a dark colour.
CHECKLIST When buying new, hiring or leasing You can achieve the biggest savings in terms of fuel consumption and CO2 emissions by buying new equipment. You should discuss and define your specific needs for the new equipment with the supplier, so that you do not, for example, buy, hire or lease a bigger vehicle than you need. But you must of course also consider your future needs, so that your selection does not deprive you of flexibility or prevent the business from developing.
Service: • Which maintenance agreements should you have, and what can you do yourself? • If necessary, ask for help in drawing up a checklist for the maintenance of the vehicle/ trailer with time intervals.
You and your supplier should discuss the following: Lorry and trailer: • What type of driving you undertake (e.g. distribution, long-distance, modular vehicle combination, contracting driving, etc.)? • How many axles do you need, and what kinds? • What kind of driveline do you need? • What kind of tyres do you need? • Can you have a spoiler (deflectors)? • Which fleet management system do you want to use? • How can I reduce the weight of the material?
Introduce checklists in the company, so that the vehicle is checked thoroughly and regularly.
Do not buy bigger and heavier equipment than you need to do your work – this will save on investment and ongoing costs of maintenance and fuel.
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Published on Oct 5, 2010
DTL and the Danish Chamber of Commerce describe products on the market to improve the climate and plenty of good advice that Danish transpor...