We may receive a commission on purchases made from links. Imagine you could get all the brawny output of a robust V8 engine in your truck when needed, but also get improved fuel efficiency while ...

The new LS6 small-block V8 used in the 2027 Corvette retains AFM instead of switching to DFM.

The 2027 Corvette LS6 uses Active Fuel Management, not Dynamic Fuel Management, while delivering 535 horsepower from its new ...

Question:I own a 2010 Chevy 1500 Silverado with a flex-fuel 5.3-liter Vortec V-8. The motor has an Active Fuel Management system that deactivates from V-8 to V-4 under certain conditions. This is my ...

So, you're worried your Silverado or Sierra might run into Active Fuel Management (AFM) issues someday. But are they as bad as the internet would lead you to believe? Well, the short answer is yes.

General Motors has announced the name of its Displacement on Demand (DoD) technology. Now to be called ‘Active Fuel Management’, the new moniker will be applied to all GM 2007 vehicles with the ...

The logic behind both active fuel management (AFM) and dynamic fuel management (DFM) starts with the simple observation that most drivers "carry more engine" than they need most of the time. A V8 ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...

This makes dominance of the ½-ton pickup truck category a true battleground for the manufacturers. Increased fuel economy ranks near the top of customer demands. Unlike their larger ¾-ton relatives ...