Employees work on the assembly line on the Jetta Bicentennial at the Volkswagen automobile manufacturing...
Employees work on the assembly line on the Jetta Bicentennial at the Volkswagen (VW) automobile manufacturing factory in Puebla August 12, 2010. Puebla, which will manufacture over half a million vehicles every year, is VW's largest factory in the Americas and one of the largest worldwide. REUTERS/Imelda Medina (MEXICO - Tags: TRANSPORT BUSINESS)