What's Ethanol Free Gas?

Ethanol-free gas, or pure oil, is a type of fuel that can be used instead of ethanol-mixed gases. Most vehicles run just fine on a 10% mix of ethanol in their gasoline. However, some vehicle drivers are switching to ethanol-free gas for a variety of reasons, while others are shying away from it.

What is the difference between ethanol free gas and regular gas?

Ethanol contains roughly one third less energy than ethanol-free (also known as non-ethanol) gasoline does, which means you will get slightly fewer miles per gallon if you use E10 or E15. The fewer miles per gallon you get is small, but measurable. ... For E15, the amount goes up to 4-5% fewer miles per gallon.

What octane is ethanol free gasoline?

Ethanol-free 90-octane gasoline is sometimes marketed as “recreational fuel” or REC-90. Many consumers prefer to use this pure gasoline that isn't blended with ethanol for marine equipment and small engines for lawnmowers, snowblowers, chainsaws, generators, pumps, and the like.