A 2015 F-150 rolls off the assembly line at the Dearborn Truck Plant in Dearborn, Mich. The aluminum-sided F-150 could set a new industry standard — or cost the company its pickup truck crown. Paul Sancya/AP hide caption

itoggle caption Paul Sancya/AP

Ford says it sold the most F-series trucks since 2006. Here, a 2014 F-150 goes through quality control on the assembly line at Ford's Dearborn Truck Plant. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images