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Re:Ask HN: Is hydrogen likely to be a major source of power ... by kube-system on Wednesday September 23, 2020 @01:55PM (#24569902)
Bear in mind -- a fueling infrastructure includes a lot of potential points of inefficiency outside of the chemical conversions that are taking place during generation and consumption.

Your fuel of choice also must be transmitted from the point of generation to the point of consumption. For electricity, this is easy, you can run it down a wire. For gasoline, you need a tank that can hold liquid. For hydrogen, you need to cool it to −253°C and compress it in a cryogenic tank.

Re:Ask HN: Is hydrogen likely to be a major source of power ... by giantg2 on Wednesday September 23, 2020 @02:33PM (#24570320)
And water scarcity is expected to be a growing issue for many parts of the world. I guess we could use sea water, but then the shipping you mention comes into play.

Just a side note, you could ship it in hydride tanks.