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 ...

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, ...

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

When Clessie Cummins founded the Columbus, Indiana-based Cummins Engine Company in 1919, it was built on a spirit of innovation that continues to thrive after more than 100 years. That innovative ...

Toyota recommends 87 octane for the 2025 Prius, but one owner hit 61.1 MPG using 91 premium. We analyze Jason Black’s ...

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, ...