It seemed impossible at first, but a German consortium led by Gerd Holbach, a professor at Technischen Universität Berlin (TU Berlin), has shown with a new vessel that fuel cells as a propulsion option will soon no longer be only a theoretical concept. Since 2016 the consortium has been pioneering the development of Elektra, the first hydrogen-fueled tug in the world.
Independent energy systems
The basis of the newly developed hybrid system is the battery package, consisting of 242 DNV-GL...
https://www.marineinsight.com/shipping-news/worlds-first-emission-free-hydrogen-push-boat-elektra/