Add Yahoo as a preferred source to see more of our stories on Google. The higher the fuel’s octane rating, the less likely it is to prematurely ignite and cause engine knocking. phive2015/Adobe Stock ...

What is the knocking sound coming from my engine? What is engine knock? Why is my engine making a knocking noise? Engine knock, or pinging, occurs when a separate pocket of air-fuel mixture ignites ...

Gas stations are well integrated into our daily lives as Americans. Except for residents of NJ, where you don't have to pump your own, a gas station can be intimidating with its cryptic displays and a ...

You might have seen Europeans complain that U.S. gasoline has a lower octane number, but what's the difference between ...

Tugboat was my family's 1987 Dodge Caravan, which faithfully served us for years until its transmission finally exploded one lovely summer afternoon. Her 3-liter V6 was electronically fuel-injected, ...

A vehicle rarely stays quiet when something goes wrong. Long before a dashboard warning light flashes or a breakdown leaves a ...

We see the numbers every day at the local gas station, with gas sold based on octane ratings. Most people go to the lower number—usually 87—because it’s the cheapest, but what do the ratings mean, ...