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Tesla Gets a $94 Billion Reality Check as EV Winter Sets In
(www.bloomberg.com)
This is a most excellent place for technology news and articles.
BYD doesn't rely on Tesla to supply their batteries. It's the other way round: BYD started out as a battery company, and Tesla relies on their batteries in Shanghai, Germany, and other factories. Tesla originally used batteries from CATL, another Chinese company, but started switching to BYD a few years ago.