Fuel cell electric vehicles (FCEVs), are powered by hydrogen fuel cells and are far more efficient than their conventional counterparts. They only emit water vapor and hot air and do not produce greenhouse gases, even in negligible quantities.
Polymer electrolyte membrane (PEM) fuel cell is the essential type used in these vehicles, and an electrolyte membrane remains between a negative and positive electrode.
Fuel Cell Electric Vehicle
These are believed to be environmentally friendly. However, the most popular method of producing liquid hydrogen emits a lot of CO2.
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