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I wonder if the apparent variations in fuel consumption between the octanes could actually be explained by other factors altogether ... one of the fuels was carrying a higher percentage of water or contaminants? After all - these were not lab tests and we've all picked up a load of dirty fuel at one time or another - especially just after the service station's holding tanks have just been filled.



There is some very questionable gasoline s, as to overall quality, around. Added Ethanol and it's propensity to virtually suck and assimilate humidity has a lot to do with it. I'm willing to pay extra, when I find non-ethanol fuel available. It may not be solid science that my cars and bikes run better on straight gas, but the mileage I gain and seemingly better performance is definitely worth paying a little extra for. 5 weeks ago, I installed one of Erle s sediment bulb/filters, and I have already found water in the trap. Drill Baby Drill and feed that corn to somebody hungry is my vote.