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EV Charging Doesn't Need to Be as Fast as Gas, Ionna CEO Says
(www.thedrive.com)
This is a most excellent place for technology news and articles.
Not that it answers all your questions, but many EV chargers have access control. The Chinese one I have you have to tap an access card. Tesla charger allows you to limit to Tesla only or even specific Tesla VIN so you can just plug and change while others can't.