A worker adjusts an Opel logo on a vehicle at an assembly line at the Opel Gliwice factory in southern...
A worker adjusts an Opel logo on a vehicle at an assembly line at the Opel Gliwice factory in southern Poland February 28, 2013. Opel launched its production of its new midsize Cascada convertible at its Gliwice factory on Thursday. REUTERS/Peter Andrews (POLAND - Tags: BUSINESS TRANSPORT LOGO)