George B
¯\_(ツ)_/¯
Filled up with 89 octane 0% ethanol for the second time. Didn’t do much better on mileage on that. 10.5 vs 9.3 mpg. Cost $.35/mi vs $.30/mi on E85 so E85 is a better bargain right now. I was at 18% ethanol for that tank so we will see what I have now and how it does mileage wise.