Well, just got back from Florida, and discovered some interesting thins about ethanol in the fuel. I ran through 3 states where they were selling ethanol free fuel, and gas seemed to be cheaper witho...
In Alabama, virtually all of the gas stations have stickers on the pump that say, "Contains at least 10% ethanol". I have seen a few gas stations, usually run-down mom-and-pop affairs, never chains, that advertise "100% Gasoline!". Personally, I don't worry about it.
However, I have discovered that absolutely my 1990 7.5L FI Ford engine runs much better using 89 octane instead of 87. No pinging under load. So we always fuel up with mid grade.