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That seems to be where the problems occur, if they’re going to: hoses and gaskets. My 4-cycle small engines are DESIGNED for E10 ... I wrecked a chainsaw using E10 ... new chainsaw and trimmer (2-cycle, both) get only properly oiled petrol, no alcohol. I have had no trouble with them so far.

My truck has a flex-fuel engine. It runs great on E85, but takes a serious mileage hit.

My 1974 Porsche 914 started life in the age of MTBE additives. At some point the ethanol containing gas arrived. I didn't drive the car very much because it kept having expensive problems. In early 1999, I put the key in the ignition, turned it and the fuel pump started. Next, the smell of gasoline and gas dribbling under the car. Good old ethanol had eaten all the fuel hoses. That was a VERY expensive repair. I decided to sell the car. CA demands a valid smog test to sell. I took the car in and it failed. Nice. I loaded the car up on a carrier and took it to Idaho. It never traveled out of the cul-de-sac until a local buyer in 2008 purchased it.

I ran into the local buyer at the grocery store a couple weeks later. He asked if I was aware that the black rubber on the front bumper starts to peel at 110 MPH. I wasn't aware because I never had it over 70 MPH in CA.

The 914 has been resold to another party with deep pockets and a plan to fully restore the car. That's the right owner. It takes time and money that I didn't have.