Diesel engines are durable and capable, but it's easy to overlook one particular quirk regarding the intake manifold that should otherwise be regularly checked.

If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever engineering behind diesel subs.

A routine Alabama traffic stop uncovered a dangerous cross-country scheme after a U-Haul van was found carrying 600 gallons ...

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with ...

Norway cut EV incentives, resulting in a rush and record sales. That would usually cause a hangover, but EVs still took 94% ...

According to Green Car Congress, more than 3/4 of the over 15 million commercial trucks on the road today in the United States use diesel fuel. Diesel fuel differs from gasoline in that it packs more ...

Gas prices for regular, $3.63, and diesel, $4.10, are displayed at the Wawa convenience store and gas station in Shillington. Photo by Jeremy Drey2/23/2013 (Photo By Jeremy Drey/MediaNews ...

Starting in 2008, new diesel trucks were required by the EPA to include an EGR (exhaust gas recirculation system), which routes exhaust back into the combustion chamber to reduce temperatures, a DPF ...

Many of our readers love diesel trucks. They provide a solid platform for heavy-duty work and earn impressive fuel-economy ratings. However, they also come at a premium. "Cheap diesel trucks" isn't a ...

Diesel prices have increased 33% for November deliveries and are expected to go higher. Diesel supply in the Northeast, the drought-stricken Mississippi River, and a potential rail strike are ...

February is National Cancer Prevention Month—a critical time to focus on reducing occupational exposures that contribute to elevated cancer risk among firefighters.