For the last couple of years auto analysts and others have focused most of their attention on the troubles in Detroit home of General Motors and Ford two American car companies that have been struggling to regain their footing in the auto industry. But what has been going on in Wolfsburg the headquarters of Volkswagen a quintessential German automaker and in Stuttgart headquarters of DaimlerChrysler a German-American hybrid? Quite a bit actually. Knowledge at Wharton looks at the situation at VW now that Porsche has upped its ownership stake in the company and also at Chrysler acquired by DaimlerBenz nine years ago in a partnership deal that may finally be coming to an end.