It has been just over a decade since GM V8 engine technology like cylinder deactivation and light-weight oils became standard, how have they impacted sales? This question was raised by a recent ...

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.

The automotive industry continues to be a hotbed of innovation, with activity driven by the demand for improved engine performance, higher fuel efficiency and the need to comply with government ...

Jacobs Vehicle Systems provides a closer look at how Cylinder Deactivation (CDA) and Active Decompression Technology (ADT) improves emissions, fuel economy and driver comfort in an International LT625 ...

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.

Is the V8 lifter nightmare finally over? One 2026 Chevy Silverado owner dug into his VIN data and found the news every truck ...

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 ...

Eaton announced its Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles ...

THOMPSON, Conn. — Jacobs Vehicle Systems on Nov. 1 showcased new cylinder deactivation and active decompression systems while launching the third iteration of its demonstration truck to highlight the ...