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Brad Bradshaw, senior vice president sales and marketing of Nissan North America, introduces the Nissan Rogue at the North American International Auto Show in Detroit, Sunday, January 7, 2007. (AP Photo/Paul Sancya) Read More

2/10
Jon Ikeda, principle designer at the Acura Design Center, introduces the Acura Advanced Sports Car Concept vehicle at the North American International Auto Show in Detroit, Sunday, January 7, 2007. (AP Photo/Tony Ding) Read More

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Jaguar Cars director of design, Ian Callum introduces the Jaguar C-XF concept at the North American International Auto Show in Detroit, Sunday,January 7, 2007. (AP Photo/Carlos Osorio)Read More

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The BMW 335i Convertible is seen on the display floor at the North American International Auto Show in Detroit, Sunday, January 7, 2007. (AP Photo/Carlos Osorio) Read More

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Dr. Wendelin Wiedeking, Porsche AG president and CEO, left, and Wolfgang Durheimer, Porsche AG executive vice president for research and development, stand next to a 2008 Porsche Cayenne Turbo at the North American International Auto Show in Detroit, Monday, January8, 2007. (AP Photo/Carlos Osorio)Read More