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Study finds health risks in switching ships from diesel to ammonia fuel (news.mit.edu)

submitted 3 months ago by Daryl76679@lemmy.ml to c/energy@slrpnk.net

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Technically not green, but I thought you guys would be interested

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[–] sj_zero@lotide.fbxl.net 9 points 3 months ago (2 children)

I've been interested in green technology for decades, but it's always important to make sure we're not just replacing one pollutant for another, and that new technologies are actually practical.

If there were really simple solutions, we'd be using them already much in the same way we moved from HCFCs to HFCs for air conditioning and the way we moved from leaded to unleaded gasoline.

[–] Dyf_Tfh@lemmy.sdf.org 2 points 3 months ago* (last edited 3 months ago)

The funny thing about air conditioning fluids, is that we are actually moving from HFC to propane and ammonia, due their green house effect.

Aka the thing that CFC were supposed to replace because they were safer.

It is a circle.

[–] hanrahan@slrpnk.net 2 points 3 months ago

but it's always important to make sure we're not just replacing one pollutant for another,

Nothing is. An example, the UK cut all its big trees down to build sailing ships back in the 1800s for example and then went overseas to exploit forestry there. A good read on that is The Golden Spruce

https://bookwyrm.social/book/250594/s/the-golden-spruce

Physicist Tom Murphy is doing an excellent 18 part critique on that now, he's up to part 10 which is excellent.

https://dothemath.ucsd.edu/2024/08/mm-10-ditch-the-bad/