So, you’re cruising down the highway, tunes blasting, windows down, and life feels pretty good. […] ...

Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx — nitrogen oxides-based emissions – than gasoline-fed cars, as well as more particulates, aka soot ...

The diesel engine was invented in the 1890s and has been in use in commercial vehicles and passenger cars for over a century. Diesel engines remain popular for their reliability and fuel economy, ...

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...

Mechanics are blunt about it: the “little” oil spot under a parked car is often […] ...

Problem rates for heavy-duty truck engines manufactured with emissions controls implemented in 2004 and 2007 are nearly twice as high, on average, as rates for engines built prior to these emission ...

Continuing our informal "series" on diesel-engine problems—common, and, not-so-common—we're focusing our attention on the Ford 6.7L Power Stroke (code name "Scorpion"), an engine developed exclusively ...