Elon Musk, chairman and chief executive officer of Tesla Motors Inc., looks at a robot arm display during a tour of the new Tesla Motors auto plant, formerly operated New United Motor Manufacturing Inc. (NUMMI), in Fremont, California, U.S., on Wednesday, Oct. 27, 2010. Tesla aims to begin making $54,700 electric Model S sedans at the factory in Fremont in 2012, initially using a fraction of the 5.5-million-square-foot factory's capacity. Photographer: Tony Avelar/ Bloomberg