this post was submitted on 14 Feb 2025
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Solar-powered device captures carbon dioxide from air to make sustainable fuel (techxplore.com)
submitted 6 days ago by Live_Let_Live@lemmy.world to c/technology@lemmy.world
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[–] EpicGamer@lemmy.world 1 points 4 days ago (1 children)

Lol, how is this different then hydrogen for example? Its renewable if just carbon dioxide is consumed during generation

[–] Petter1@lemm.ee 1 points 4 days ago* (last edited 4 days ago)

Hydrogen fuel isn’t really renewable, even if the PR agents of companies creating it tell so.

Edit: at fact check, I found this, maybe there is a way after all:

https://youtu.be/ISuUlc8widc

To your comparison: Hydrogen only releases water if burned.

And getting CO2 out of air is very resource intensive and we need to pull a lot CO2 out, if the air to get back to “normal” levels. We can not afford to put any CO2 back into the atmosphere, after the hard work getting it out.