The non-ethanol 91-octane gasoline, which is the base product for the 93-octane fuel, is frequently preferred for use by many individuals in two-cycle and older engines not designed for ethanol ...

You see all the options of gas at the pump every time you fill up but what is the difference between the octanes? Sure, ...

Gas stations ... 89, 91, and 93 written on the fuel dispenser, which while seemingly adds to the confusion, actually keeps ...