The war in Iran has disrupted supplies of diesel, used to power trucks and heavy equipment, much more than gasoline, which is ...

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 ...

OPINION: With diesel prices spiking 45% higher than a month ago, what was a health and pollution problem is now barreling ...

While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the agriculture industry, thanks to their superior low-end torque, which ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Todd Belt, director of the Political Management program at George Washington University's Graduate School of Political Management, ...

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, ...