The higher the fuel’s octane rating, the less likely it is to prematurely ignite and cause engine knocking. phive2015/Adobe Stock We see the numbers every day at the local gas station, with gas sold ...

The demon of engine knock is something an owner of a traditional high-performance Pontiac knows all too well. An engine designed when 102-octane high test was at almost every fuel station in the ...

With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

There's a lot to know about vehicle ownership, from maintenance intervals and tire choice to oil type and tire pressure, but too often, people gloss over the fuel they're putting into their vehicles, ...

The 2026 Jeep Grand Cherokee’s new 2.0-liter four-cylinder engine may not appear to be a dramatic improvement at first glance ...

We may receive a commission on purchases made from links. Most gas stations have three options that you can put in your vehicle: regular, mid-grade (plus), and premium. These labels are also often ...