this post was submitted on 31 May 2026
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Cars - For Car Enthusiasts
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Even with fossil fuel as electricity source, the chain of fuel to forward trajectory is far more efficient with an EV. Just consider how much waste heat gas cars produce vs EVs. With gas, you’re paying for all that heat that you’re just dumping into the air. Electricity prices are very stable and can be offset with solar or wind at your own home. Can’t refine your own gas with the limited exception of bio diesel.
I don't know the specifics of fuel efficiency for gas cars, but making electricity by burning fuel also produces a lot of waste heat, about 2/3 of the heat goes to the birds, 1/3 is converted into electricity.
20% at most in a car.
In ideal situations an ICE could reach 45% efficient. However it is very hard to maintain ideal conditions, and a car in the real world won't be even close so 20%. This is one reasons a power plant can be more efficient - they have abilities to make conditions more ideal that you cannot do with your car.