A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines.

How does cylinder deactivation work? When not needed, the system shuts down fuel supply to the cylinders not being used and closes the valves. There are two ways to accomplish this: 1) rocker arm ...

Testing of a sophisticated cylinder deactivation technology on a Cummins engine showed a 74% reduction in nitrogen oxides (NOx) emissions. Cylinder deactivation is viewed as one of the main strategies ...

The prospect of cylinder deactivation in diesel engines got a lot more interesting Wednesday as Cummins and propulsion software company Tula announced a successful demonstration of diesel Dynamic Skip ...

The prospect of cylinder deactivation in diesel engines got a lot more interesting Wednesday as Cummins and propulsion software company Tula announced a successful demonstration of diesel Dynamic Skip ...

Cylinder deactivation is a proven solution to improve vehicle fuel economy. This proposal presents Dynamic Cylinder Deactivation (DCD) solution to the conventional automotive engines. DCD is an engine ...

If the diesel engine is to have a future, it must run far cleaner than it does today. Eaton engineers are working on a possible solution: outfitting diesel engines with cylinder deactivation. Eaton ...