It may be tempting to opt for the lowest-priced option, but ensure it meets the engine requirements. Read more at straitstimes.com. Read more at straitstimes.com.

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.

This octane booster will significantly raise the octane of premium fuel (91 octane) to 102 octane when using a 32-ounce bottle with 10 gallons of gas. When using a 32-ounce bottle with 5 gallons of ...