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 ...

A lot of automotive engines remain in production for quite a while. Cummins' B-Series diesel is the longest-running 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 ...

Diesel engines vary in size and application greatly, from small cars to large vessels. The most efficient four-stroke diesel engine comes from Wärtsilä.

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

Superior Air Parts is developing the Gemini 100, a 100-horsepower diesel aircraft engine aimed at competing with the Rotax 912. Based on a British design, the Gemini 100 is a lightweight, 3-cylinder, ...

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 ...

New fuel injectors eliminate soot without expensive exhaust treatment devices. Ducted fuel injection for diesel engines, developed at Sandia National Lab’s Combustion Research Facility by Charles ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This diesel engine indicator was ...