I checked my mpg for my last fillip....20.7.....that was using 87 E10.....combination of city shorter trips, and 50 mile, or so round trips on 2 lane secondary highways doing 45-60 mph.
Found 293c for e10 87 at a Casey's GS off 680 and Irvington today
This is before any discounts
It is likely a price war with the Murphy's across the way
A long time ago....... when Trump was President I could afford to use the ethanol free gas and now under Brandon, I may have to install a mast and sail to get my truck down the road.