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this post was submitted on 22 Aug 2023
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Each fuel has it's own use case, but in the case of reusable rockets...
Hydrogen is harder to store, it leaks out of everything. Methane can sit in a tank for a long time. Holding a tank of methane so you can relight a rocket and land after being in space for a long time is a big advantage, and keeps you from having to throw away everything each flight.