But 110kV into the car is totally out of the question. It would be pretty unreasonable. But burning gas at 100% efficiency is actually impossible, so it's sort

But 110kV into the car is totally out of the question. It would be pretty unreasonable. But burning gas at 100% efficiency is actually impossible, so it's sort of a silly scenario anyway. ...you'd need 20kA. That'd be a fat cable indeed. Maybe not as fat as you'd think; this guy figures 50KA here, and you wouldn't want to work with an extension cord like that every day, but it's not like you'd need a crane to lift it, either: http://youtu.be/uXEPy6Za6cI http://youtu.be/uXEPy6Za6cI