Utah's National Park Electric Corridor.
It's a start. http://www.utahbusiness.com/utahs-national-park-electric-vehicle-corridor-kicks-off-two-chargers/
Forum Discussion
It's a San Diego based company. It depends on the size of the battery etc. Not cheap though. Anywhere from 25000 to 45000. It can be used as well to supplement the house needs etc. We own a town house so not going to work for us but otherwise would have been neat.
