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A comment on How much do rockets pollute?. Parent comment
There’s no way this can be correct.
You can’t use hydrogen to produce the electricity used in hydrogen electrolysis, because that’s not permitted in this universe.[1]
Therefore the electricity has to come from some other source, which all generate life-cycle carbon emissions.[2]
1. https://en.wikipedia.org/wiki/Second_law_of_thermodynamics
2. https://en.wikipedia.org/wiki/Life-cycle_greenhouse-gas_emis...
Also, that tidal power looks pretty good...
There’s no way this can be correct.
You can’t use hydrogen to produce the electricity used in hydrogen electrolysis, because that’s not permitted in this universe.[1]
Therefore the electricity has to come from some other source, which all generate life-cycle carbon emissions.[2]
1. https://en.wikipedia.org/wiki/Second_law_of_thermodynamics
2. https://en.wikipedia.org/wiki/Life-cycle_greenhouse-gas_emis...