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submitted 1 month ago by girlfreddy@lemmy.ca to c/news@lemmy.world

On a tributary of the Hudson River, a tugboat powered by ammonia eased away from the shipyard dock and sailed for the first time to show how the maritime industry can slash planet-warming carbon dioxide emissions.

The tugboat used to run on diesel fuel. The New York-based startup company Amogy bought the 67-year-old ship to switch it to cleanly-made ammonia, a new, carbon-free fuel.

They named the tugboat NH3 Kraken, after the chemical formula for ammonia and their method of “cracking” it into hydrogen and nitrogen. Amogy’s system uses ammonia to make hydrogen for a fuel cell, making the tug an electric-powered ship. The International Maritime Organization set a target for international shipping to reach net-zero greenhouse gas emissions by, or close to, 2050.

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[-] NOT_RICK@lemmy.world 48 points 1 month ago

For those looking (like me) for the catch:

Ammonia does have drawbacks. It’s toxic. Nearly all of it currently is made from natural gas in a process that is harmful for the climate. And burning it has to be engineered carefully or it, too, yields traces of a powerful greenhouse gas.

[-] ravhall@discuss.online 6 points 1 month ago

So you’re saying when the boat eventually crashes and all the ammonia is dumped into the sea, that’s probably gonna be bad?

[-] NOT_RICK@lemmy.world 4 points 1 month ago

Well they’re full of the shittiest oil money can buy nowadays so ammonia may be a net neutral in comparison

[-] ravhall@discuss.online 1 points 1 month ago

What if it’s an oil tanker powered by ammonia? ;)

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this post was submitted on 24 Sep 2024
106 points (98.2% liked)

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