Automobile industry aims breakaway from oil system fuel vehicle, and develops hybrid, electric, and fuel cell vehicles for reduction of green house gas emissions. This report assessed the energy consumption and CO 2 emission for a fuel cell vehicle (FCV) in comparison with compressed natural gas vehicle (CNGV) and gasoline vehicle (GV) by LCA. In FCV, the stage of fuel manufacture accounts for a large part of life cycle, together with that of membrane production. In GV and CNGV, the stage of running accounts for a large part of life cycle. The total CO 2 emission of life cycle for FCV is 36 percent smaller than those of GV and CNGV, whereas the total energy consumption of FCV is 35 percent larger than those of the others.
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