Q & A

 

Do you have a question about hydrogen? Send us an email or submit a question below.

 

 

Q: I’ve heard that hydrogen is not practical as a fuel because more energy is required to produce hydrogen than can be gotten out of it. Is this true?

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Q: How do you see producing hydrogen on such a large scale as to replace fossil fuels?

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Q: Because of the hydrogen molecule’s low mass, if hydrogen is accidently released into the Earth’s atmosphere, does it ultimately escape our gravitational field and enter into space? Could this explain why there are only trace amounts of hydrogen in the Earth’s atmosphere?

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Q: How safe is hydrogen? Would a spark within the supersonic hydrogen tube system cause explosion of the hydrogen and destruction of the entire tube system?

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Q: Because hydrogen is so tenuous (low density ρ), how can the efficiency of a propeller in hydrogen be equal to one in air?

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Q: How can the supersonic hydrogen vehicle compete on cost with air travel, which has a free infrastructure – the sky? The infrastructure cost will be insurmountable!

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Q: At what speed is ground-effect large enough to support the vehicle?

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