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I was always under the impression that the source of the electricity to charge electric vehicles matters greatly. Some areas use coal burning to generate power while others use hydroelectric.
Definitely better to charge an EV with clean energy. But it's probably better to charge an EV with dirty electricity than it is to keep using a combustion vehicle.
IIRC a gas vehicle is something like 20% thermally efficient, whereas a coal/oil power plant can be up to 60%. So even if my EV is charging off oil or coal, I'm getting 3x the energy per unit of emissions compared to a gas vehicle (though who knows how that translates to miles of range).
It does matter in terms of how much less polluting it would be. Even in case of coal plant bonansa it reaches a point where it becomes less poluting than gasoline car . Alghtough much slower. Its also not realy important since renewables became so cheap that there is practicly no country that dosent have a fairly significant renewable share ( and by that i mean > 10 % ).
https://www.iso-ne.com/ Looking at my own region of New England, renewables are only at about 8% right now. And that includes burning wood, refuse, and landfill gas as renewable sources.
Also 24% nuclear and 3 hydro which somehow dosent count as renewables
While true, it's way better better for a power source to be inefficient than all consumers using inefficient/dirty appliances.
Once the aging coal plant is decommissioned in favor of a new nuclear reactor in a state like Wyoming, anyone using stuff like electric water heaters, heatpumps or electric bikes/buses/cars/scooters is instantly using 100% renewable power.
Even in screwed up states like Texas, there is so much load on the grid (and the fact they cannot buy power from other states) means that cheap solar panels, battery storage and wind are way faster to put up than expensive methane/natural gas generators.
I don’t consider nuclear as renewable, but they do reduce CO2 production.
If you got the most ridiculous EV (the Hummer) and drove it primarily in West Virginia (86% coal generated electricity), it would have worse lifetime CO2 emissions than an ICE.
Literally any other combination, and it's better.
And it would still be worlds better than the worst ICE cars, it would only be worse than average.
Not the case, they still get 100mpge + so they're always better