Doug Hines, CEO of a software company in Decatur, GA, has logged hundreds of miles in his Tesla. In addition to the obvious perks of owning an all-electric car—little maintenance, no exhaust, and just downright fun to drive — there was one he hadn’t expected: the unfailing generosity of people willing to offer up their home chargers to a stranger, often for free. “It amazes me how people are so open to have anybody come to their