Dan Akerson, General Motors Chairman and Chief Executive Officer delivers a speech 
 at the Adam Opel AG headquarters in RuesselsheimApril 10, 2013. General Motors pledged to invest four billion euros ($5.2 billion) in Opel by the end of 2016 to support new model launches, renewing its commitment to its loss-making European brand. REUTERS/Lisi Niesner (GERMANY - Tags: BUSINESS TRANSPORT)
. Photo: Reuters

General Motors pledged to invest €4 billion euros in loss-making Opel by the end of 2016 to support new model launches, renewing a commitment t(...)