MADRID, Nov. 29 (Xinhua) -- Spain's first hydrogen-powered train has completed 10,000 kilometers of trials, the project's developers have announced.
The train has been undergoing tests between Zaragoza and Canfranc in northern Spain. The trial route, characterized by steep inclines in the foothills of the Pyrenees, was chosen to test the train's performance under challenging conditions.
The project was de
