Fuel Issues for Fuel Cell Vehicles 952762

In the near-term, infrastructure and energy density concerns dictate that the most appropriate fuel for a light-duty fuel cell vehicle is probably not hydrogen; there are also several concerns with using methanol, the generally accepted “most convenient” fuel. In order to accelerate fuel cell commercialization it may be necessary to use petroleum-based fuels and on-board fuel processors. In the near-term, this approach may reduce fuel cell system efficiency to a level comparable with advanced diesel engines but in the long-term fuel cells powered by hydrogen should be the most efficient and cleanest of all automotive powertrains.


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