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 ...

Everyone from Nostradamus to the Department of Energy predicts that internal combustion engines will provide primary propulsion for the majority of the vehicle fleet for a few more decades. But it's ...

If you've ever fueled up in Colorado, you might have noticed something unusual about the gas octane ratings at the pump -- specifically, the availability of 85-octane gasoline. This lower octane fuel ...

As Saudi Arabia prepares to introduce Gasoline 98 to the local fuel market, Saudi Fuel has clarified what the high-octane product is, how it differs from existing gasoline grades, and which vehicles ...