The inline-6 is a common enough gas engine design, but it's pretty much universal in the diesel world. As such, there are ...

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 ...

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 ...

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 ...

Engineered Propulsion Systems of Wisconsin has reached the final stage of design for its Graflight 8 diesel engine, freezing the design in preparation for certification. “That does not mean that we ...

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 ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...

Recently, the Diesel Technology Forum came out with a truckload of positive diesel emissions data that may even offset all those private plane trips celebrities and politicians take to clandestine ...

In the past two decades, landmark legislation on air quality has had a far-reaching impact in diesel engine design and maintenance. Specifically, the EPA 2010 emission rules governing on-highway ...