![2015 Nissan Leaf fast-charging at Royal Farms, North East, Maryland [photo John Briggs]](http://images.hgmsites.net/tmb/2015-nissan-leaf-fast-charging-at-royal-farms-north-east-maryland-photo-john-briggs_100558583_t.gif)
It's one of the questions for future electric-car charging infrastructure: what about putting them at gas stations? On the one hand, drivers are used to going to gas stations, which are often conveniently located on both local and long-distance routes. On the other hand, gas-station stops generally take 10 to 15 minutes at most, while even fast...