Smoke bellows from the exhaust stacks of a tractor in Miami, Florida. Trucking groups hailed the EPA’s action to rescind a ...

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust ...

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't do well in the cold; here's why.

Added information on DEF / DPF system history for on-road and off-road diesel-powered vehicles and equipment. The run of ...

At the White House Great American Agriculture Celebration, President Trump announced another decisive action U.S. Environmental Protection Agency Administrator Lee Zeldin has taken to address ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

Since 2010, diesel-powered on-highway trucks in North America have been using selective catalytic reduction (SCR) as an exhaust after-treatment technique to control nitrogen-oxide (NOx) emissions. And ...

If you're short on time, here's what you should know. The primary claim made in the viral Facebook post was that Union Pacific was placing an embargo on Pilot Flying J. That supposed embargo would ...