allenout

allenout t1_j7s78j6 wrote

Bear in mind, electric motors can be 95+% efficient while ICE cars are at best 25% efficient, so that means that ICEs are actually more like 2kWh/kg while metal air batteries are 1kWh/kg+, so a electric car would only need about 2x the size of full fuel tank as a ICE car.

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