Smartphone owners know all about battery anxiety: Spend too long playing games and the battery icon flashes ”empty” the next time you need to make a call. For drivers of electric cars, the problem is more serious: They can’t just walk over with a 20-liter jug of electricity from the nearest charging station, and even if they do manage to glide into a station on their last electrons, it could take hours to top off a car battery.  Continue reading EV Battery Swapping’s First Real Test →