50 green buses make their debut in front of Tianjin Meijiang Convention Center on 29 Aug, 2010. The 50 zero-emission electric buses will first be used for the Annual Meeting of the New Champions 2010 (AMNC 2010) in Tianjin from Sept 13 to 15. Then they will be put into daily commuting and other conventional services for citizens, to help make public transportation cleaner and greener.