WOLFSBURG, GERMANY - SEPTEMBER 23: Rain clouds are seen over a Volkswagen symbol at the main entrance gate at Volkswagen production plant on September 23, 2015 in Wolfsburg, Germany. Volkswagen CEO Martin Winterkorn and other members of the supervisory board are believed to be meeting inside the headquarters to discuss the Volkswagen Diesel emission scandal, which affects 11 million vehicles worldwide. (Photo by Alexander Koerner/Getty Images)
