Wilmer said charging networks continue to benefit from a strong market for used EVs and plug-in hybrid vehicles. Altogether, there are almost 20 million cars and trucks in the US that now run on electrons, nearly 6.5% of all vehicles on the road, according to BloombergNEF.

Wisconsin has restarted its federally backed EV charging programme, allocating $14 million for 26 new fast-charging sites after a court order forced the Trump