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What makes the EV hum?

Electric vehicles require fewer components than an internal combustion engine powered vehicle. An EV has an electric motor, a controller (like a huge dimmer switch), and batteries (or a fuel cell, but that's a horsepower of a different color for another article of its own. In short, a fuel cell vehicle is nothing more than an EV using a fuel cell to generate electricity onboard instead of using electricity stored in onboard batteries). No starter motor, no alternator, no radiator or coolant, no water pump, no spark plugs, no fuel injectors, no oil filter or oil. The simpler construction means an EV enjoys less maintenance and fewer repairs.

 


 


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