![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 has bestowed upon its current owners a sought-after perk previously reserved for early adopters: free Supercharging. Last year, Tesla announced it would begin charging for Supercharger station use for buyers of its electric cars after a certain date—but now it appears to have walked back that policy. Instead, it has extended free...