Turning the Moon into a fuel depot will take a lot of powerGetting oxygen from regolith takes 24 kWh per kilogram, and we'd need tonnes.https://arstechnica.com/science/2025/02/turning-the-moon-into-a-fuel-depot-will-take-a-lot-of-power/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
@arstechnica No atmosphere does mean solar power would be insanely efficient, but no, I don't think it makes much sense to actually mine and process the Moon for oxygen (or at least not for oxygen alone.)