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A comment on FAA approves hundreds more engines to use unleaded avgas. Parent comment

Re:FAA approves hundreds more engines to use unleaded avgas by Robotbeat on Friday October 29, 2021 @07:43PM (#29044734)
Internal risk (&/or cost of a better engine) vs externality of lead slowly poisoning the population.
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Re:FAA approves hundreds more engines to use unleaded avgas by hugh-avherald on Saturday October 30, 2021 @06:01AM (#29047486)
The risk of getting hit by a plane whose engine has failed is probably the bigger externality.
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