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

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

If there's one bit of car tech that sounds like a contradiction, it's cylinder deactivation. (And no, we're not suggesting filling up some of the cylinders with super glue — that would lead to a ...

A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...