Ford's F-150 truck beat the Chevrolet Colorado and Lincoln MKC as the Detroit auto show's 2015 North American Truck of the Year. He Xianfeng/Xinhua/Landov hide caption

itoggle caption He Xianfeng/Xinhua/Landov

Dodge Ram pickup trucks await customers Jan. 5 on the lot at Landmark Dodge Chrysler Jeep in Morrow, Ga. Buoyed by a resurgent economy, holiday sales, cheap gasoline and a love affair with pickup trucks, Americans headed to car dealers in droves last month, pushing full-year sales to what's likely to be the highest level since 2006. John Bazemore/AP hide caption

itoggle caption John Bazemore/AP

General Motors CEO Mary Barra testifies before a Senate panel July 17 at a hearing about auto safety recalls. Brendan Smialowski/AFP/Getty Images hide caption

itoggle caption Brendan Smialowski/AFP/Getty Images

Retailers' Black Friday ads and other parts of the holiday season are designed to tap into a very ancient part of our brains. Paul J. Richards/AFP/Getty Images hide caption

itoggle caption Paul J. Richards/AFP/Getty Images