Named after Rudolf Diesel, who invented it in 1893, the diesel engine is often associated with a dirty, smoky exhaust — an admittedly nebulous impression in no small part fueled by the black clouds of ...

Freightliner and Western Star models will offer a broader mix of gasoline, diesel and natural gas engines designed to meet EPA 2027 emissions standards.

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

If you're like a lot of folks, you may have been pretty surprised at the final tally the first time you filled up your Class A RV. Some of those monsters have gas tanks with a 150-gallon capacity. If ...

For years, the automotive conversation has revolved around electrification, with EVs and hybrids often framed as the inevitable future of transportation. Yet despite that momentum, the ...