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 ...

The upsides of cylinder deactivation systems are obvious: Estimates from the U.S. Department of Energy say they can improve ...

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 ...

Ford has developed a comprehensive range of EcoBoost engines, with everything from tiny 1.0-liter inline-three engines through to supercar-powering twin-turbocharged V6 units. While EcoBoost engines ...

We share the real reason why modern engines are failing in cars from Toyota, GM, Hyundai, Kia, and Nissan.We cover the major ...

When installing a performance cam, many owners lose the engine’s cylinder deactivation feature. Here’s why you may want to keep it active. Manufacturers of modern V-8 engines have realized that we don ...

Cummins Valvetrain Technologies reports positive results from further on-road testing of its Jacobs cylinder deactivation (CDA) technology. CDA for diesel engines is a new powertrain technology.