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Chinese EV maker BYD says new fast-charging system could be as quick as filling up a tank
(www.theguardian.com)
This is a most excellent place for technology news and articles.
Exactly. More energy means either more copper or more rubber in the cable.
Rubber is cheap though, and flexible. If it's the size of a gas pump hose, oh well; gas pump hoses are also rubber. As long as they don't have to make the copper ridiculously thick, it shouldn't matter how thick the cable overall is