![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)
Today, we've got news about an important change at Tesla, a future hydrogen Hyundai, another electric-car concept from Mercedes-Benz, and how states may battle Trump efforts to weaken emissions and fuel-economy rules. All this and more on Green Car Reports. There's a new head of the Tesla Autopilot group; the previous guy lasted just five months...