Search this site for E-free gas, notice its mostly at marina's, since most of the critical early complaints started with Ethanol dangers in marine engines. Also note Ethanol is not allowed in any military vehicle or engine. Too high of failure and component damage, poor reliability. At least Alaska has it right, but then again with their weather environment it won't even work reliably enuff to try.
Look for the new stabil formula that is Ethanol approved
Or the Star-Tron brand lots of info on ethanol effects