After a tanker flipped on its side Tuesday on Route 28, more than 2,000 gallons of diesel fuel spilled into Pine Creek before ...

Used diesel cars are rising in value new research shows. So why could it be a good time to buy a second-hand diesel car and ...

Capt. Evan Clark was patrolling the Allegheny River to help Three Rivers Waterkeeper get a better understanding of just how much of a mark that fuel spill made.

Diesel engines operate more efficiently than gasoline-powered ones, and they're crucial to the U.S. economy. But does this ...

With dwindling passenger car sales for hydrogen fuel cells, the technology is now looking like a non-starter for heavy-duty ...

After weeks of your iron sitting cold and still through the winter, it's time to get ready for spring and the busy season ...