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sidran32 t1_iy9awyq wrote

Reply to comment by Desperate-Strategy10 in Rolls-Royce successfully tests hydrogen-powered jet engine | Britain's Rolls-Royce said it has successfully run an aircraft engine on hydrogen, a world aviation first that marks a major step towards proving the gas could be key to decarbonising air travel. by yourSAS

One benefit of hydrogen in the safety side that I heard when talking about hydrogen powered cars is that if there's a puncture in the fuel line that catches fire, it is more contained, because the hydrogen is a gas in our atmosphere at normal temperatures and lighter than air, so it rises and doesn't spread. By comparison, a liquid fuel will pool and the fire will spread over a large area.

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