Good post!
Notice, though, few, and in some states, none of the sources are in Metro areas. In Colorado, all of the outlets are either small (in the boonies) farming communities or adjacent to a lake or other camping attraction, where straight gasoline is better for Generators, 4 wheelers and motorcycles, as well as boats, 'specially the outboards.
Not that it matters, but because of the Politicians, other than racing gasoline, pure gasoline at the pump is becoming just like the ancient Stegosarus . . Extinct!
In yer race car, get used to alcohol, and yer street ride, 20% ethanol . .