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A comment on How the UK lost its shipbuilding industry. Parent comment

Re:How the UK lost its shipbuilding industry by arcanemachiner on Monday November 10, 2025 @03:36AM (#45873813)
For anyone else wondering, "ad-blue" is another term for DEF (diesel exhaust fluid), which is a chemical used to decrease emissions from diesel engines.

https://en.wikipedia.org/wiki/Diesel_exhaust_fluid

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Re:How the UK lost its shipbuilding industry by Kubuxu on Monday November 10, 2025 @06:28AM (#45874879)
And DEF is ~33% urea in water.
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