The logo of German car maker Volkswagen (VW) is seen at the entrance to a VW branch in Duesseldorf, western Germany, on September 28, 2015.  Volkswagen came under pressure after reports surfaced concerning the manipulation of values of emission in VW vehicles equipped with diesel engines. AFP PHOTO / PATRIK STOLLARZ.        (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)