this post was submitted on 20 Apr 2025
157 points (99.4% liked)
chapotraphouse
13787 readers
738 users here now
Banned? DM Wmill to appeal.
No anti-nautilism posts. See: Eco-fascism Primer
Slop posts go in c/slop. Don't post low-hanging fruit here.
founded 4 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Hydro-LOx (read: water) is one of the most efficient conventional fuels, and it's in use in NASA's Space Launch System powering the Artemis program.
Even if you assume somehow all the fresh water has disappeared, there's still solar-powered electrolysis to create hydrolox from sea water.
https://www.bbc.com/future/article/20170412-is-the-world-running-out-of-fresh-water
Hasen't that been abandoned for being too expensive/resource consuming?
It's not too expensive, it's just more expensive than getting hydrogen from fossil fuels, so the only reason you'd electrolyze hydrogen from water right now is if you're trying to be green.
I see