FEBRUARY 4, 2015 FREMONT, CA Workers assemble cars on the line at Tesla's factory in Fremont. David Butow (Photo by David Butow/Corbis via Getty Images)
FEBRUARY 4, 2015 FREMONT, CA Workers assemble cars on the line at Tesla's factory in Fremont. David Butow (Photo by David Butow/Corbis via Getty Images)