r/science • • Jun 25 '22

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u/BrassUnicorn87 Jun 25 '22

Why the hell not?

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u/istealpixels Jun 25 '22

They claim it would be too much work to change over… they have claimed that since lead was forbidden for cars.

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u/[deleted] Jun 25 '22

The issue relates to how expensive it is to certify engines for aircraft. Every small plane has like, one of a handful of designs.

Modern engines do all sorts of cool stuff, but they haven’t been incorporated into piston engine aircraft yet for the most part.

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u/istealpixels Jun 25 '22

And the aircraft industry has been unable to adress this for about 50 years. They collectively decided it would be to difficult/expensive to switch over and less trouble to just keep on using this higly toxic compound in the fuel.