What Is The Octane Of E85?

What Is The Octane Of E85? The octane rating for E15 (15% ethanol) is 88 octane and E85 (85% ethanol) is 108 octane. In addition, as Argonne National Laboratory states, ethanol reduces greenhouse gas emissions between 34 to 44 percent compared to gasoline. Is E85 better than 93 octane? E85 has an octane rating higher … Continue reading What Is The Octane Of E85?