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There is no free hydrogen on earth. It has to be extracted from water using more energy to extract than hydrogen fuel provides. In addition, hydrogen is explosive. Ever see the film of the Hindenburg? That's hydrogen. Making things worse it has to be stored at huge pressure and/or extremely low temperature. Being the smallest molecule it escapes through the smallest crack in a seal. This requires very expensive seals and pumps to store and move.

This is the stupidest idea in the world. I know. I worked in the space program (Apollo 11) and the vehicles used liquid hydrogen. The ground crews had to be very experienced and careful. Can you imagine the crews for IT handling this? Highly pressurized liquid hydrogen storage tanks and transfer pumps in the middle of Olympia? (Oh. Well. Maybe.)

From: Intercity Transit set to acquire hydrogen-powered buses, trucks

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