Credit: Hyundai Rotem. The city of Daejeon in South Korea is moving forward with its new light rail project after the signing of a Won293.4bn ($219.4m) contract for its first hydrogen trams and the ...

Behind the doors of a drab brick building in Daejeon, South Korea, a major experiment is slowly taking shape. Much of the first-floor lab space is under construction, and one glass door ...