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 ...

Silverado owners found a reliability top priority: the 8th VIN digit "E" confirms the 5.3L V8 lacks DFM hardware. This ...

GM Authority debunks the AI-generated rumor claiming GM removed DFM from 2026 Chevy Silverado and GMC Sierra models. No ...

Cummins reports that its Jacobs cyinder deactivation system boosts heavy truck fuel economy by almost 3% in on-highway testing. Cummins Valvetrain Technologies reports positive results from further on ...

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 ...

Jacobs Vehicle Systems has completed testing to quantify the fuel savings and emissions benefits of Jacobs’ Cylinder Deactivation (CDA) technology. Test results showed that CDA reduced fuel ...

General Motors is quietly working on a new way to make its traditional V-8 engines more efficient, and the latest development could signal a big shift in how big engines sip fuel without giving up ...

The 2025 Corvette ZR1 isn’t short on impressive specs – from the four-figure horsepower, to the 1,200 pounds of downforce, to exhaust gas that exits the rear pipes so fast it provides thrust, the new ...

CHICAGO, March 3, 2020 /PRNewswire/ -- According to the new market research report "Cylinder Deactivation System Market by Component, No. of Cylinders (4 & 6 and Above), Valve Actuation Method ...

Cylinder deactivation is pretty easy to understand in, say, a V8 or V12, where not all the pistons need to be firing all the time. But cylinder deactivation on a four-cylinder engine? That’s something ...