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> while BEVs are 90%

Only if you ignore the cost and conversion efficiency of generating the electricity.

There aren't any electricity wells out there where it comes out of the ground for the cost of pumping it.



Well, wind turbines have some trouble catching all the wind and solar PV is not 100% efficient either, but it is not like it is going to waste.

That is the alternative, not burning fossil fuels somewhere else.

https://en.wikipedia.org/wiki/Betz%27s_law




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