![Expansion of Tesla Supercharger site in Rocklin, California [photo: George Parrott]](http://images.hgmsites.net/tmb/expansion-of-tesla-supercharger-site-in-rocklin-california-photo-george-parrott_100614959_t.gif)
In January 2016, before the public introduction for pre-orders of the Model 3, Tesla had 585 Supercharger locations around the world. By the end of June 2016, that number had climbed to 655. Then the potential of 400,000-plus reservations for the more affordable Model 3 pushed Tesla to promise it would double those charging locations by the end of...