Idk dude.
I had a leaded gas goped whose motor was from a weed Wacker.
My step-dad brought home the gas can of unleaded, then I squirted some of the lead additive in the can, and I'd kinda swish the can around before refueling the goped.
Worked for the 2 months before the goped was stolen.
Didn't end up buying the skylark, so never had my dinosaur juice leadifying skills refined.
It's your choice.
The whole "be the active person who stops the riches from ruining earth" trope is a lie.
The current US is just as bad as Israel if not worse.
All the losers who either flunked high school or flunked, but had daddy to pay their way have brought fascism back en masses.
If you have the luxury to move to Sweden, or the Bahammas, as far as I'm concerned, do it.
You'll be in a better place when Israel nukes Iran, WWIII pops off, and the US cripples the internet/critical infrastructure around the world.