Chinese Premier Wen Jiabao (2nd R) and German Chancellor Angela Merkel (3rd R) hold power cables during a demonstration for power charging of electric cars, as they visit the headquarters of Volkswagen in Wolfsburg, Germany, April 23, 2012. [Xinhua]

Premier Wen Jiabao (front), accompanied by German Chancellor Angela Merkel (3rd L back), tries a vehicle at the headquarters of Volkswagen in Wolfsburg, Germany, April 23, 2012. [Xinhua]