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Today I learned (todayilearned@noc.social)'s status on Tuesday, 29-Sep-2026 06:52:32 JST Today I learned

TIL tetraethyllead (TEL) - main component used to make gasoline "leaded" - was selected out of thousands compounds tested mainly for being the cheapest - just 1 part TEL in 1300 parts gasoline was found to be enough to sufficiently reduce "knocking"
https://en.wikipedia.org/wiki/Tetraethyllead
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1wsqonb/til_tetraethyllead_tel_main_component_used_to/

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