Ford Assembly workers Calvin Thompson and Jimmie Lackey install a battery in the back of a partially assembled C-MAX Hybrid vehicle at the Michigan Assembly Plant in Wayne, Michigan

 
Ford Assembly workers Calvin Thompson and Jimmie Lackey install a battery in the back of a partially assembled C-MAX Hybrid vehicle at the Michigan Assembly Plant in Wayne, Michigan
Ford Assembly workers Calvin Thompson (R ) and Jimmie Lackey install a battery in the back of a partially assembled C-MAX Hybrid vehicle at the Michigan Assembly Plant in Wayne, Michigan November 7, 2012. REUTERS/Rebecca Cook