![Tesla Model S at Supercharger site in Ventura, CA, with just one slot open [photo: David Noland]](http://images.hgmsites.net/tmb/tesla-model-s-electric-car-road-trip-upstate-new-york-to-southern-california-photo-david-noland_100500011_t.gif)
Tesla continues to make sweeping changes as it prepares for the launch of the Model 3, its first mass-market electric car. The company has announced a significant expansion of its global network of Supercharger DC fast-charging stations. Executives believe, it said, that charging should be “convenient, abundant, and reliable” for all...