Nissan Motor Co. Leaf electric cars..the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi

Nissan Motor Co. Leaf electric cars are displayed during a news conference in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California.

Nissan Motor Co. Leaf electric cars are parked on display during a news conference at City Hall in San Francisco, California, U.S. on Saturday, Dec. 11, 2010.

Nissan Motor Co. Leaf electric cars are parked on display during a news conference at City Hall in San Francisco, California, U.S. on Saturday, Dec. 11, 2010

A convoy of Nissan Motor Co. Leaf electric cars drives across the Golden Gate Bridge before a news conference with the first customer to take delivery of the vehicle in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California

Olivier Chalouhi, the first customer to take delivery of the Nissan Motor Co. Leaf electric car, sits with his wife, Jana, and sons Matthieu, 3, left, and Mark, 2, during a news conference in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Chalouhi at a dealership in Petaluma, California

Carlos Tavarez, chairman of Nissan North America, speaks at a news conference after the debut of the the Nissan Leaf electric car in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California

Carlos Tavarez, chairman of Nissan North America, speaks at a news conference after the debut of the the Nissan Leaf electric car in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California.

A Nissan Motor Co. Leaf electric car is displayed during a news conference in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California

Matthieu Chalouhi, 3, looks at his reflection in the back of his father's newly-purchased Nissan Motor Co. Leaf electric car in San Francisco, California, U.S. on Saturday, Dec. 11, 2010. Nissan, which wants to be the world's biggest seller of electric autos, delivered the first Leaf to Olivier Chalouhi at a dealership in Petaluma, California.