The California Air Resources Board has approved for 2027 what the Engine Manufacturers Association refers to as “sweeping new regulations affecting heavy-duty trucks sold in the state.” The regs ...

According to sources such as Ohio Diesel, the current 6.7-liter Cummins inline-six is the most reliable diesel engine used in ...

Sandia National Laboratories researchers (left to right: Nathan Harry, Christopher Nilsen, Drummond Biles, and Charles Mueller) show off their prototype of ducted fuel injection module for diesel ...

We’ve reported on a lot of innovative diesel parts, concepts, and theories that have been introduced in the last decade, with various engine blocks, cylinder heads, turbochargers, and injection ...

In the current market, it is common to see new diesel trucks putting out over 1,000 lb-ft of torque from the factory. That's just in the consumer space. When it comes to heavy-duty industrial ...

West Springfield, MA-based Scuderi Group will take its new air-hybrid diesel engine design on the road to the International Automobile Assn.’s Commercial Vehicle Show in Hanover, Germany, and other ...

Synthetic engine oil standards haven’t been updated in nearly a decade. In that time, diesel engines have undergone major changes. New emissions and mileage requirements have truck engines running ...