A Lexus Full Hybrid LF-Ch concept car is pictured at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. The world's biggest auto show will run until September 27. Reuters Pictures logo Reuters Pictures 29 months ago

A Lexus Full Hybrid LF-Ch concept car is pictured at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. The world's biggest auto show will run until September 27.