Tesla Motors Chairman and CEO Elon Musk

Tesla Motors Chairman and CEO Elon Musk (in driver's seat) and chief designer Franz von Holzhausen (in passenger seat) drive the new Tesla Model S all-electric sedan as members of the media look on, at the car's unveiling in Hawthorne, California on March 26, 2009. Musk said the state-of-the-art, five-seat sedan will be the world's first mass-produced, highway-capable electric car. The car has an anticipated base price of 57,400 US dollars but will cost less than 50,000 after a federal tax credit of 7,500 dollars. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP via Getty Images)