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no cost in return for the fueling contract.

How does the use of propane autogas reduce emissions? By improved combustion in the engine, propane-autogas-fueled vehicles emit 12 percent less carbon dioxide, about 20 percent less nitrogen oxide, up to 60 percent less carbon monoxide than gasoline-fueled vehicles and ultimately reducing greenhouse gas emissions by up to 25 percent. This reduction in emissions helps reduce short and long term health effects in passengers, and contributes to cleaner air.

Which bus manufacturers produce dedicated propane-autogas-fueled vehicles? PERC partners with several leading OEMs to provide research and development support for dedicated liquid propane autogas injection systems. Fleet managers can now choose buses from Blue Bird Corp., Collins Bus Corp. and from Thomas Built Buses. These manufacturers have collaborated with well-known automotive companies to provide liquid propane autogas injection systems. Over the past two years more than a dozen new vehicle platforms fueled by propane autogas have come on the market. Other applications include shuttle bus and van applications available directly from GM dealers or for Ford based products such as Roush CleanTech through a partnership with Ford Motor Co.

Can companies convert fleet vehicles to run on propane autogas? Yes, fleet managers can convert current dedicated gasoline fueled vehicles to run on propane autogas by either dedicated propane autogas or as bi-fuel, meaning that the vehicle can operate on propane autogas or gasoline depending on fuel availability. Aftermarket conversion kits are available from manufacturers such as Alliance AutoGas, Landi Renzo, RGR Alternative Fuels IMPCO and ICOM North America.

Where can operators find more information on vehicles fueled by propane autogas? Feet managers may visit www.autogasusa.org or contact local propane autogas providers, fleet dealers and vehicle manufacturers. BR Steve Wayne serves as chief commercial officer for the Propane Education & Research Council (PERC), Washington, D.C.

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BUSRide APRIL 2012  

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