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A comment on Germany launches world's first hydrogen-powered train. Parent comment

Re:Germany launches world's first hydrogen-powered train by baud147258 on Tuesday September 18, 2018 @11:10AM (#18015941)
One way it's used in France is pumping water from below hydroelectric dams to above, so the water can be reused by the dam during the day to produce electricity.
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Re:Germany launches world's first hydrogen-powered train by danmaz74 on Tuesday September 18, 2018 @12:11PM (#18016466)
That's great, where it's feasible. Which isn't enough places, as you need abundant water, a higher reservoir, and a lower reservoir.
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