How Cylinder Deactivation Saves You Gas (And Sometimes Doesn't) | NYGazet

Automakers call it by different names, but many have a system to deactivate some of an engine's cylinders and save you gas. Yet this can bring its own problems.

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 different kind of deactivation.) Turning off parts of y... [966 chars]