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by ZeroGravitas 907 days ago
Green fuel ships exist now. They're still in the early stages but plenty of big names in the business are putting their weight behind then.

Plenty of "normal" ships are already hybrid electric like trains, so swapping out the diesel generator isn't particularly a science project and doesn't affect the already electric propellors.

You mostly need a financial incentive to burn clean methanol, ammonia or whatever. That's the hard part.

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List some examples of cargo ships powered by green fuels that are presently in operation. Not small prototype ships, but green fuel powered ships comparable in capacity to the NS Savannah and other nuclear powered civilian ships: https://en.m.wikipedia.org/wiki/Nuclear_marine_propulsion#Ci...
The first Maersk Methanol powered cargo ship just rolled off the production line:

https://www.marinelink.com/news/maersks-first-teu-methanolfu...

And all the ships they've ordered since 2021 can run on methanol:

https://www.maersk.com/news/articles/2023/12/07/maersk-to-de...

What does Maersk know about shipping or ship building, those bloody amateurs? /s