General Motors Senior Vice President Product Development Mary Barra introduces the 2013 Buick Encore luxury crossover Tuesday, January 10, 2012 at the North American International Auto Show in Detroit, Michigan. The Encore features QuietTuning and Buick’s first use of active noise cancellation technology. The five-passenger Encore also has 48.4 cubic feet of storage space with the rear seat folded down. (Photo by John F. Martin for Buick) (01/10/12)