Batteries beat hydrogen on cost and efficiency, VDE study shows

The Flirt Akku is a version of Stadler's Flirt family of electric multiple-units which is equipped with a battery to permit operation on non-electrified or partly-electrified routes.

GERMANY: A study of climate-neutral traction technology by VDE, the Association for Electrical, Electronic & Information Technologies, has concluded that over a 30-year life-cycle battery-powered multiple-units are substantially cheaper and more efficient than those powered by hydrogen.

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