Two hydrogen-fuelled buses and one refill station commences operations in Chengdu, China March 6, 2018 | Asia Pacific News Dongfang Electric Corporation and Chengdu Bus Group have launched two Shudu CDK 6900 hydrogen-fuelled buses in Chengdu, the capital city of Sichuan Province in China. Each bus is 9 metres long, has a ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password