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, ...

Octane really is just a measure of how well fuel resists lighting itself under pressure. Some engines need to run on fuel that that offers more resistance than others, specifically the kind that run a ...

2025 is turning out to be a busy year for Cummins and its well regarded diesel engines. Following the launch of the updated Cummins 6.7L turbo diesel engine for the Ram 2500 and 3500 series, Cummins ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

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 ...

Person holding gas pump in front of an out-of-focus gas station - Retouch man/Shutterstock We may receive a commission on purchases made from links. Most gas stations have three options that you can ...

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, ...