Photo Galleries

Bob Lutz, vice chairman of General Motors Corp., speaks about a concept GM Cadillac Converj electric vehicle at the 2009 North American International Auto Show (NAIAS) in Detroit, Michigan, U.S., on Sunday, Jan. 11, 2009. The show runs until Jan. 25. Photographer: Andrew Harrer/Bloomberg News

DETROIT, MI- JANUARY 11: BMW Group unveils the all new BMW Z4, a world premiere, to the world automotive media during a press preview day at the North American International Auto show January 11, 2009 at Cobo Center in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. (Photo by Bryan Mitchell/Getty Images)

DETROIT, MI- JANUARY 11: Ian Robertson, member of the board of management of BMW Group, talks about the BMW Concept 7 Series ActiveHybrid to the world automotive media during a press preview day at the North American International Auto show January 11, 2009 at Cobo Center in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. (Photo by Bryan Mitchell/Getty Images)

DETROIT - JANUARY 11: The new Chrysler 200C EV Concept vehicle is revealed to the media during the press preview for the Detroit International Auto Show at the Cobo Center January 11, 2009 in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. Automakers have cut back on their displays to save money and are focusing more on the cars they plan to produce in response to the financial weakening of the industry. (Photo by Bill Pugliano/Getty Images)

Dodge Circuit EV Concept is introduced at at the North American International Auto Show Sunday, Jan. 11, 2009 in Detroit. (AP Photo/Paul Sancya)

Alan Mulally, president and chief executive officer of Ford Motor Co., shows off a new Ford Fiesta during the 2009 North American International Auto Show (NAIAS) in Detroit, Michigan, U.S., on Sunday, Jan. 11, 2009. The show runs until Jan. 25. Photographer: Andrew Harrer/Bloomberg News

The 2010 Lexus HS250h is shown at the North American International Auto Show on Sunday, Jan. 11, 2009 in Detroit. (AP Photo/Gary Malerba)

Troy Clarke, president of General Motors Corp.'s North American unit, speaks about new GM models during an unveiling event at the 2009 North American International Auto Show (NAIAS) in Detroit, Michigan, U.S., on Sunday, Jan. 11, 2009. The show runs until Jan. 25. Photographer: Andrew Harrer/Bloomberg News

Derrick Kuzak, head of global development for Ford Motor Co., arrives for a Ford event at the 2009 North American International Auto Show (NAIAS) in Detroit, Michigan, U.S., on Sunday, Jan. 11, 2009. The show runs until Jan. 25. Photographer: Andrew Harrer/Bloomberg News

Mark Fields, president of the Americas for Ford Motor Co., right, shakes hands Carroll Shelby, founder of Shelby Automobiles, at the 2009 North American International Auto Show (NAIAS) in Detroit, Michigan, U.S., on Sunday, Jan. 11, 2009. The show runs until Jan. 5. Photographer: Andrew Harrer/Bloomberg News

The 2009 BMW Z4 Roadster is introduced at the North American International Auto Show Sunday, Jan. 11, 2009 in Detroit. (AP Photo/Carlos Osorio)

Volkswagen's Concept BlueSport roadster is introduced at the North American International Auto Show Sunday, Jan. 11, 2009 in Detroit. (AP Photo/Paul Sancya)

DETROIT - JANUARY 11: The new Audi R8 5.2 FSI Concept vehicle is shown to the media during the press preview for the Detroit International Auto Show at the Cobo Center January 11, 2009 in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. Automakers have cut back on their displays to save money and are focusing more on the cars they plan to produce in response to the financial weakening of the industry. (Photo by Bill Pugliano/Getty Images)

DETROIT - JANUARY 11: Rupert Stadler, Chairman of the Board, Audi AG, introduces the new Audi Sportback Concept (R) and Audi R8 5.2 FSI Concept (L) vehicles during the press preview for the Detroit International Auto Show at the Cobo Center January 11, 2009 in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. Automakers have cut back on their displays to save money and are focusing more on the cars they plan to produce in response to the financial weakening of the industry. (Photo by Bill Pugliano/Getty Images)

DETROIT - JANUARY 11: The new General Motors Cadillac Converge Concept vehicle is driven to the stage for its introduction to the media during the press preview for the Detroit International Auto Show at the Cobo Center January 11, 2009 in Detroit, Michigan. The 2009 North American International Auto Show (NAIAS) opens to the public January 17th. Automakers have cut back on their displays to save money and are focusing more on the cars they plan to produce in response to the financial weakening of the industry. (Photo by Bill Pugliano/Getty Images)

Volkswagen's Concept BlueSport roadster is introduced at the North American International Auto Show Sunday, Jan. 11, 2009 in Detroit. (AP Photo/Paul Sancya)