There are different gasoline grades based on octane. Here's how to tell which grade of fuel your car needs and why.

What is the octane rating of fuel? The octane rating of fuel is an indicator of just one thing: the fuel’s ability to resist detonation or knock. That’s it. The octane number has nothing to do with ...

In a move to end an "octane war" among petroleum companies and cut unnecessary usage of high-octane gasoline in the kingdom, Thailand will impose new octane standards for all types of gasoline ...