Photos: Frankfurt Auto Show
Germany Frankfurt Auto Show
Credit: AP
Porsche CEO Matthias Mueller stands next to a Porsche 911 Carrera S during the press day of the Frankfurt Auto Show IAA in Frankfurt, Germany, Tuesday, Sept. 13, 2011. The fair opens its doors to the public Sept. 15 to Sept. 25, 2011. (AP Photo/dapd, Ronald Wittek)
