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Burning Gas Pollutes So Much, Dirty EV Battery Manufacturing Evens Out In About 2 Years
(www.jalopnik.com)
This is a most excellent place for technology news and articles.
That makes it worse. Feeding a little more electricity spread across many locations puts a much smaller strain on the grid than trying to feed a huge amount to one location.
You have only one line to upgrade if you feed it from energy grid. If they have their own PP, it's even less of a problem.