Rising diesel prices could push up costs across the U.S. economy, as many goods move by diesel-powered trucks.

The Ford 6.7-liter Power Stroke diesel engine is known for reliability and durability. What type of oil does it use, and how much do you need at each change?

Dirty fuel’ may sound scary. But here’s why we’re unlikely to see a wave of new disease with this temporary lift in sulfur ...

One GM driver just cracked the code on the 5.3L V8’s thirst for lubricant. By bypassing factory fuel-management tech and ...

Drivers are out thousands of dollars after a diesel was mistakenly put in the gasoline tank.

Homeowners say they’ve documented months of disruption and want enforcement -- or a fix -- so they can use their yards again.