this post was submitted on 07 May 2024
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Other classics are in aviation asking them to grab a bucket of prop wash, and then the numerous automotive ones like blinker fluid, muffler bearings, etc.
Imagine my surprise to learn that exhaust fluid was real lol
What does it do?
It's used to condition the exhaust from diesel engines DEF
Huh, interesting. I wouldn't have thought that adding a nitrogen compound to the exhaust would reduce the amount of nitrogen oxides, but I guess urea is a good reducing agent.