CEO of E.ON Energy Klaus-Dieter Maubach, German Environment Minister Sigmar Gabriel and Volkswagen's CEO Martin Winterkorn (LtoR) pose for the media beside the 'TwinDrive' VW Golf car in Berlin June 26, 2008. Volkswagen presented for the first time on Thursday a new drive system for a new generation of electric motors, operating with an extremely efficient Lithium-ion battery and a low fuel consumption fuel engine. REUTERS/Fabrizio Bensch (GERMANY)