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A Colorado airport said it was powerless to stop using leaded fuel. After a public outcry, it’s racing to get rid of it (www.kunc.org)

submitted 1 year ago by [email protected] to c/[email protected]

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Key things here:

The gas used in the small planes with piston-driven propellers has lead in it. Yeah, the same stuff that was banned from automotive fuel because it causes brain damage in kids.

That lead in the fuel airplanes burn? It ends up in kids blood

There's a new fuel mix starting to be available which doesn't contain lead, and which works for all airplanes. It's available in some places in the US, but not all of them yet.

The FAA has a plan to make going lead-free a requirement by 2031...but right now there isn't anything stopping airport owners (often local governments) from making the switch happen faster. Only thing which might stop this is that the Republican version of the FAA reauthorization bill contains a requirement that airports keep on selling leaded fuel forever, so it's also important to stop that from becoming law.

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[–] [email protected] 26 points 1 year ago (18 children)

How in the world is are we still using leaded fuel and can’t stop for almost another decade. WTF?

[–] [email protected] 16 points 1 year ago (8 children)

Old airplane engine designs were created assuming leaded fuel, and the slight reduction in horsepower associated with pre-2022 unleaded fuels was a problem for them. So the phaseout is just getting started, with it happening in only a handful of airports to date

[–] [email protected] 5 points 1 year ago (1 children)

But leaded gas in cars was banned in '96. Why has it taken them 27 years to begin phasing things out for airplanes?

[–] [email protected] 6 points 1 year ago (1 children)

Because all those old cars are now off the road or running gutless on unleaded fuel.

But you can’t just run an airplane “slower” or it falls out of the sky.

On the other hand, mmwave radio issues are in these exact same planes, so maybe we should just admit that they’re no longer safe to fly.

[–] [email protected] 3 points 1 year ago

Also airplanes live longer and the rich dudes who own them tend to be conservative.

They may also be brain dead from lead exposure.

There was also an argument for valve seat protection afforded by lead gas, but they should eat the cost of engine rebuilds and be forced to comply. Especially as many of those planes are for hobby anyway.

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