After claiming that interest in Powerwall and Powerpack was “overwhelming” and “crazy” seven months before the first commercial installations began, Tesla CEO Elon Musk announced that close to 400,000 people have reserved a Model 3, due out next year. Andy Colthorpe asks how much Tesla’s overall success in its stated mission to accelerate the transition to clean energy is pinned to a successful roll-out from the Gigafactory for the car.