Cars at the GM Heritage Center in Sterling Heights, Mich., include a 1951 Le Sabre concept, at left. General Motors hide caption

itoggle caption General Motors

Ford unveils the F-150 Atlas concept pickup during January's North American International Auto Show in Detroit. Experts say the boom in construction will boost pickup sales. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

Subaru, known for its success in Denver, the Pacific Northwest and the Northeast, aims to expand its market to Texas and Tennessee. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images

Chicagoan Janice Trice was an Obama volunteer in 2008 and 2012. Her husband died on Election Day in 2008, before he could celebrate Barack Obama's victory, or even find out that he won. She says this pilgrimage is a way for her to honor his memory. Sam Sanders/NPR hide caption

itoggle caption Sam Sanders/NPR

Car companies are picking up automobile concepts such as this Lexus SL 600 Integrated Safety driverless research vehicle, shown at the Consumer Electronics Show in early January in Las Vegas. Julie Jacobson/AP hide caption

itoggle caption Julie Jacobson/AP