The Trump administration has updated diesel engine rules to prevent trucks and farm equipment from slowing down or shutting ...

While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

Detroit Diesel has produced many classic engines, but the "Screaming Jimmy" two-stroke is likely the one with the most ...

The move follows a February action seeking to end diesel derates. EPA cited the Small Business Administration as saying its ...

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...

The rules require diesels to emit 82.5 percent fewer oxides of nitrogen, or NOx, cutting it to 0.035 grams per ...

Focusing on cutting-edge manufacturing capabilities, robust product quality, and sustainable power solutions shaping ...

Switching from a gasoline engine to a diesel-powered setup is an enticing possibility, but it requires a lot more work than ...

The run of diesel engine deregulation at the EPA continues. The agency has just released guidance that makes big changes when ...

In years gone by, the LLY variant of Duramax turbodiesel V8 powered vehicles such as the Chevrolet Silverado HD and GMC Sierra HD.

Wyoming's most famous diesel mechanic, his techy son, and a third well-known mechanic who suffered federal prosecution all ...