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limitless__ t1_jdvaai8 wrote

Reply to comment by pavlik_enemy in Does living in an airplane flight path, near an airport, pose a health risk? What happens to the lead from the jets fuel? by [deleted]

The honest reason? Who writes the regulations? The same people who have private planes. Banned lead in avgas would basically mean retiring the majority of the private planes in the US. Rich guys don't like that, regulations remain unchanged. If the regulation was pushed through the oil companies would absolutely, 100%, develop an alternative and they'd do it quickly. Right now they have quite literally ZERO motivation to do so.

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TjW0569 t1_jdvhaqw wrote

Forty year old Cessnas aren't being flown by the really rich guys that have a shot at controlling regulations.

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Endvine t1_jdvoya3 wrote

There’s already a non-leading alternate for 100LL AVGAS. As other people have stated, most really rich people do not fly in piston aircraft; they fly in jets which use a non-leaded diesel like fuel Jet-A. The new fuel has to be widely adopted, reach scale to reduce price, or there has to be a law outlawing leaded fuel in GA aircraft. We have laws banning leaded fuel for cars so creating a new law isn’t that far fetched.

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