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Banning lead in gas worked. The proof is in our hair
(attheu.utah.edu)
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this post was submitted on 04 Feb 2026
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Still need to ban it in aircraft fuel
Note for everyone that it's not in fuel for turbine engines, it's in fuel for piston engines (though progress is being made).
So pretty much personal aircraft only not commercial.
Some small piston engine aircraft serve remote communities in places like Alaska, as well as things like research stations and some remote infrastructure.
Although its mostly personal aircraft, yeah.
bullshit.
They could have mandated E85 two decades ago. they just kick the ball forward with studies and consultations. E85 is 108 octane rated.
Ferrocene might be a better drop-in replacement, since it wouldn't affect the fuel's vapor pressure.
Still though, I agree this should have been handled decades ago.
What are you calling bullshit on? Doesn't look like your comment correlates with the above one
Apparently there has been some progress towards that, as we needed an alternative additive for piston-engine prop planes to prevent engine knock. You don’t want planes stalling or breaking down.
The FAA has a program to completely eliminate the leaded fuels by 2030, but there is one already available and several more in testing.
https://www.faa.gov/unleaded
There's been a lot of progress and it's been ready for a while, there were just some assholes in the FAA whose piddly little egos got hurt, so they blocked progress for a decade, and it's only now taking the final steps because everyone involved in that scheme has retired.
Mike Busch discussed this with George Braly (co-founder of GAMI) on his Aviation Masters podcast. I was honestly disgusted after listening to that. Years of lead exposure for pilots was completely unnecessary.