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, ...

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

In 2016, Nissan introduced a Cummins-powered engine option for the Titan pickup truck, a model that had already earned a lukewarm reception from full-size truck buyers. After a brief and troubled ...

The L5P Duramax diesel V8 is what powers heavy-duty work trucks like the 2025 Chevy Silverado 2500 HD and is an amazing powerhouse. It didn't exactly start off that way back in 1984 when GM first ...

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

A motorist fills up the tank of a vehicle at a gasoline station in Littleton. (AP Photo/David Zalubowski, File) How a vehicle built to run on unleaded fuel reacts when diesel is introduced to the mix ...

Ten months after launching a new diesel engine for heavy-duty pickup trucks, Ford faces a chorus of quality complaints from owners who are among the company's most loyal customers, Reuters reported.

Volkswagen Group has admitted that former chairman Martin Winterkorn received two memos about the diesel scandal in 2014. Top execs ignored the problem because they didn't think it was a serious issue ...

Diesel engines have a steadfast reputation for reliability, longevity, and pumping out gobs of grin-inducing, low-end torque. The latter makes diesels preferable over gas engines for hauling, towing, ...

Last week, Volkswagen convinced a US judge to give it another few weeks to hammer out an agreement with the EPA over how to fix its diesel vehicles and bring them into compliance with US law. That ...

India faces a deepening fuel supply challenge as West Asia war disrupts key oil imports, threatening diesel output and ...