General Motors Vice Chairman Bob Lutz (left) and Vice President of Design Ed Welburn (far right) talk to journalists after introducing the new Buick Velite concept vehicle at Splashlight Studios as part of the New York Auto Show Tuesday, April 6, 2004. The four-seat convertible is the first American example of GM's all-new premium, global, rear-wheel drive architecture. (General Motors/Joe Polimeni) X04SN_AS131