Most states are only allowed access to E15 – a blend with 15% ethanol and 85% gasoline – during nonsummer months. During the other times, those states can use E10 gas.

Such risks are, understandably, higher for E85-rated fuel than E10 (10% ethanol) or E15 (15% ethanol), due to the elevated presence of the substance (as much as 85%) in its mixture.

read this full Auto News article at Truck Trend: Research findings released today show that mid-range ethanol blends--fuel mixtures with more ethanol than E10 but less than E85--can in some cases ...

KALAMAZOO, Mich. — As gas prices continue to rise across the nation, the Environmental Protection Agency has allowed the limited sale of E15 fuel. The EPA says E15, which is a blend of 85 ...

To help you measure exactly what concentration of ethanol is in your fuel, Quick Fuel Technology offers an e-checker kit. It’s basically a test tube that you first fill with water, then with E85.