As a result of production constraints and logistics issues stemming from the COVID-19 pandemic, GM decided to remove certain features from a number of its production vehicles. One of the most notable ...

Not everyone likes the driving experience that comes with Dynamic Fuel Management (DFM) or Active Fuel Management (AFM). Some drivers claim turning off cylinders while driving with the goal of ...

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 ...

It has been just over a decade since GM V8 engine technologies 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 application, published by the U.S.