Search:

Great comment Brian.....

Likely they buy it tax free so tons of profit per can

I wonder about the new "engineered" gasolines on the market designed for small engines. It is real pricey as I seen at home depot IIRC about $15 per gallion.
https://trufuel50.com/4-cycle-mix/

Hi Brian,
This is complex but you want to avoid ethanol I would try this link
https://www.pure-gas.org/

A bit of science here what goes on here as I have worked as a gas chromatographer supporting the petro industry. First isooctane by definition has an "octane" rating of 100 and n-heptane is defined...