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.

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, ...

ROCHESTER, N.Y. – As businesses, school districts, cities and power companies all signal they’re not ready for the state’s forced transition to zero emission trucks and buses, one local company says ...