It enables gasoline to mix with water.
Next question.
Bingo! Who is the stupid idiot that allowed this to happen?! I was shop foreman at a big and busy auto dealership when Ethanol showed up. There began a steady stream of broken down cars being towed in. All of them with wasted fuel pumps. The pumps were made of aluminum and the “new gas” was corroding them. Why? Precisely because, “Ethanol enables gasoline to mix with water.” It wasn’t the Ethanol that was eating the fuel pumps, it was the water! Just about all fuel tanks have tiny amounts of water that stays on the bottom and never gets sucked-up by the pump. Of course, the biggest reservoirs of water lies in the bottom of those massive underground tanks at your local gas station. The addition of Ethanol practically sucked-up all that water and pumped it into the customers gas tanks. So, the gas stations got their water removed for free while vehicles were breaking down all over the roadways.......... not from the Ethanol corroding the aluminum but from the water now mixed into your fuel system, because, “Ethanol enables gasoline to mix with water.”