With gas prices climbing above $5 a gallon in San Diego County, some drivers are noticing a much cheaper option at the pump: E85 fuel. At one gas station in Kearny Mesa, regular gasoline was listed at ...

It’s not gas, it’s something different. For most car owners fuel is fuel; you pick from either 87, 91 or 93 octane depending on what kind of car you have and pay accordingly. However at many stations ...

87 octane gasoline, often called "regular" gas, is one of the most commonly used fuels in the United States. But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol.

In the early 2000s, enthusiasts started draining 93 octane gas and filling up with ethanol-based E85 fuel. It allowed for more timing and boost, letting the hardcore crowd enjoy the increased octane ...