Tesla debuts bigger PowerWall 2.0 battery, glass solar-roof tiles from SolarCity

Tesla CEO Elon Musk presents Powerwall 2.0 and SolarCity solar roof

Late last week, Tesla Motors CEO Elon Musk held a press conference whose underlying message was support for the proposed combination of Tesla with solar installer SolarCity. Musk’s cousin Lyndon Rive runs SolarCity and Musk sits on its board, but the proposed acquisition has been criticized by analysts as a distraction for the electric car… …read more