At Tesla's event, CEO Elon Musk has finally taken the wraps off of its Superchargers, which it has already set up in four California cities and expects to dot the US nationally in the next two years. According to Musk, the solar powered systems will put more power back into the grid than the cars use while driving. Check out the live feed embedded after the break. Oh, and for you Model S owners? You will always be able to charge at any of the stations for free. DevelopingContinue reading Tesla revea