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The electric car was an early piece of a kind not unlike the perpetual motion machine. Where did the electric car (battery powered) get the charge power? It was from a fuel like coal or oil burned to create steam that drove a turbine with brushes to create electric power that could be made available to plug into the car battery. It's a zero-sum game and no advantage. Worse, the electric car was heavy and slow. Today's electric cars are really light but that means they are fragile and possibly unsafe in a crash. Power sources from the sun and geothermal will help in the future - a time when oil and coal will have been palyed out. And the hydrogen cell is just another example of traditional fuel conversions. Hydrogen segregation takes a lot of generated electricity and never produces more than 50% of the effort it takes to generate it.