Article Photos: For new Ford CEO Fields, aluminum truck is key 1/1

FILE - In this May 1, 2014, photo, Ford Motor Company President and CEO Alan Mulally, left, Executive Chairman Bill Ford Jr., center, and Chief Operating Officer Mark Fields speak during a news conference in Dearborn, Mich. For new Ford CEO Fields, the company's stock price hinges on the flawless production of the aluminum-body F150 pickup truck. (AP Photo/Paul Sancya)