Electric vehicles are gaining traction with consumers, industry reps say, with Nissan reporting a 319% year-on-year sales jump in May. Charging infrastructure is also spreading, with some retailers seeing the business upside in providing charging stations for customers. "EV drivers will spend three times more time in a store [with charging stations], and are twice as likely to return to a store that has EV charging," said Karen Glitman of the nonprofit Vermont Energy Investment Corp.

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