In the case of the Achates Power two-stroke diesel engine, less is more. For the last 14 years, the San Diego-based company has been busy working to improve the opposed-piston engine with one of its ...

Cummins Inc. has landed a $47.4 million contract from the National Advanced Mobility Consortium to develop a revolutionary new type of diesel engine for the U.S. Army that promises to be lighter and ...

A demonstration project is working on a radically different commercial diesel engine that emits much less, burns less fuel and produces more power. A California project is working to produce a ...