| http://www.w3.org/ns/prov#value | - When the electric power required by the vehicle is small, the fuel cell effectively supplies all or most of the required electric power.There is a vehicle described in U.S. Pat. No. 6,255,010, in which a power generating system including a gas turbine engine, a fuel cell and a generator is accommodated in a common pressure vessel and operated in a pressurized state.If the gas turbine engine and th
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