In the second of a four-part series on the fuel of the future, Yujie Xue looks at the opportunities, threats and challenges China faces in dominating the industry.
A Step Towards a Greener Hong Kong: TÜV Rheinland Launches First-ever Hydrogen Safety Training Courses in Hong Kong sina.com.hk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sina.com.hk Daily Mail and Mail on Sunday newspapers.