[Bob In Ct]

Ron:
You're absolutely correct that the mileage is reduced with ethanol. Ethanol does not have near the energy of gasoline.

I don't have any data either way regarding hose degradation, but I remember back in the 60s when the PCV valves were being blamed for every engine problem around. Maybe when the ethanol was added something else was also added which causes problems. If I have a piece of fuel hose in the garage I'm going to soak it in the gas I have to see if it degrades. My guess is it won't.

Bob