If you spend a lot of time driving in various areas of the country, you might notice that some gas stations carry 91 octane ...

Gas stations have offered different types of gas for decades. There's a widespread belief that high octane gas can clean your ...

Labeling different gases as “regular” and “premium” is a bit misleading, as many cars only require regular gas and should only run on regular gas. Premium gasoline is not necessarily a luxury product ...

Like most things automotive, it depends. No two engines have exactly the same octane requirement, due to differing amounts of combustion chamber deposits and overall engine condition. Bore diameter ...

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