From the article:Adding as
From the article:Adding as little as 10% to gasoline will increase performance enabling octane by 2 to 3 points////////////////The problem with that thinking is that 90% of the mix is 84 octane gasoline to blend with the 10%, 114 octane ethanol to make 87 octane. The 84 octane gasoline molecules will knock. Using pure E0 of 87 octane gasoline molecules, knocking will be reduced.