Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

A method tested on various diesel blends of known cetane numbers showed a good correlation with the fuel’s octane numbers. Spontaneous ignition results in knock in a spark-ignition engine, whereas ...

The octane of gasoline you put in your car is a key ingredient in the combustion process—and it appears that many drivers in New York City haven't been getting the quality of gas they paid for, ...