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 ...

Having worked through the data, we may have just found the most reliable diesel engine going into 2026. As it stands, there ...

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 ...

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 ...

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...