Photos: Supercars, concepts and more at the Paris Auto Show

Porsche AG, President and Chief Executive Officer Matthias Mueller, introduces to the media the new Porsche Panamera Sport Turismo concept car during the Paris Auto Show, France, Thursday, Sept. 27, 2012. The Paris Auto Show will open its gates to the public from Sept. 29 to Oct. 14. (AP Photo/Michel Euler)