General Motors Vice President Global Design Ed Welburn stands with the Buick Riviera concept as it makes its North American debut in conjunction with the North American International Show Thursday, January 10, 2008 in Detroit, Michigan. The Riviera nameplate returns after an eight-year hiatus. It was developed with global design input by the Pan Asia Technical Automotive Center, a design and engineering joint venture between GM and Shanghai Automotive Industry Corporation. (Photo by John F. Martin for General Motors)