Comment by wat10000
10 hours ago
This sounds nice, but in the context of actual politics it's completely meaningless.
It's like saying that some people are dangerous criminals who need to be locked up, and other people are upstanding citizens who should be free to live their lives. Everybody would agree with this. The disagreement is in how you sort people. What category encompasses someone who belongs to the opposing political party? That sort of thing.
Regulation should definitely be justified by scientific data. Who gets to determine what's enough? Who gets to determine what counts? Leaded gasoline is a great example. It was pretty well understood when it was introduced that lead was hazardous and dumping a bunch of it into the atmosphere was unwise. But this was evaded, denied, and suppressed for decades.
Even today, it's not settled. Lead is still used in aviation gasoline in the US. It's being phased out, but it's been in the process of phasing out for a couple of decades and there seems to be no urgency in it.
You'll find plenty of people disagreeing with pretty clearly beneficial environmental regulations because in their view those regulations are not supported by the data. They would completely agree with your statement, while saying that pollution from coal power plants is no big deal, climate change is a myth, etc.
There definitely is urgency to phase out leaded aviation gasoline. The FAA is proposing that we phase it out by 2030 - just 4 years from now - even though we still haven't agreed on which of the 3 competing gas blends to standardize on, the pumping infrastructure only exists at a small number of airports, and even though there's still open concerns about them causing engine damage.
They just published a draft version of the transition plan here: https://www.faa.gov/aircraft/draft_docs/draft_unleaded_avgas...
Leaded gasoline for cars started phasing out 52 years ago. It was fully banned 30 years ago. If there was any urgency behind getting rid of leaded avgas it would have been gone in that timeframe.
The FAA started looking at it 14 years ago. They planned to finish phasing it out in 2023. Three years after that, leaded avgas remains ubiquitous, and there's a plan to finish phasing it out in six years. (The 2030 date excludes Alaska, which is planned for 2032.) That's not what urgency looks like.
Cars don't need high octane fuel, aircraft do. Outside of the absolute smallest aircraft, you can't get enough power out of automobile gasoline.
They started looking at it 14 years ago, but there's been tons of bureaucratic roadblocks that have impeded progress. (Depending on who you ask, the petroleum companies were responsible for some of these.)
Even today, there are reports that the new unleaded avgas formulations cause engine damage, and we don't entirely know why that's happening. So there's still technical issues to work out. (But it's important, so folks are trying to solve them as quickly as possible.)
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