January 2019
PEM Fuel Cell Electric Vehicles
A number of the world’s leading automobile manufacturers have commenced making Fuel Cell Electric Vehicles (FCEV’s) in recent years. These vehicles have PEM (Proton Exchange Membrane) fuel cells which are fueled by hydrogen gas carried on board in high pressure gas tanks. The fuel cells provide a very efficient conversion of the energy contained in the hydrogen fuel, into electricity to propel the vehicle. This conversion efficiency is much higher than that achieved using the hydrogen fuel in an internal combustion engine and it is therefore likely that the FCEV’s will be the carbon free way forward rather than hydrogen fueled combustion engines. The leading manufacturers of FCEV’s are:
– Toyota with their Mirai
– Hyundai with their Nexo
These FCEV’s have high pressure 700 bar hydrogen gas tanks on board to achieve a reasonable energy density. The vehicles can be re fueled…
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Demand CO2-free gasoline..it exists now (NH3). 
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