Twitter poll results: How often do you encounter a public electric-car charger that is out of order?

Chevrolet Bolt charging at Electrify America 350 kw charger at Home Depot in Chicopee, Mass.Earlier this summer, we began investigating our Twitter followers' experiences with public electric-car chargers in our weekly polls. In June, we learned that more electric cars get charged at work than at public chargers. Last month, we learned that the type of public charger that electric-car drivers rely on most often is still 240-volt Level...