What is your question?
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What is your question?
Percentage of fuel? I've also heard I need special oil.
There should not be any special considerations. Having said that if you are going to be using this type fuel for a long time you should stay with manufactures specified weight/viscosity oil in a synthetic or synthetic blend. You should also be prepared to get between 15% and 20% poorer fuel economy. 1gallon straight gasoline has more energy than Gas that has 10% ethanol. Gas with 10% ethanol has more energy than E85 fuel.