Four-cylinder engines have long been seen as inferior to powerplants with more cylinders, such as inline-sixes and V8s. But ...

Turbulent jet ignition from racing helps Jeep's new 2.0L engine deliver 324 HP with improved efficiency in the Grand Cherokee ...

The recent death of BMW's i3 electric car brought the most recent chapter of two-cylinder transportation in the U.S. to a close. Wait, huh? An electric car? What does that have to do with an internal ...

Any engine that makes 1.3 hp/cubic-inch in normally aspirated street trim is a force to be reckoned with. You're looking at one: Chrysler 2.2L OHC 4-cylinder, when equipped with a mechanical cam, dual ...

A new GM engine is currently in its final stages of development, GM Authority has exclusively learned from sources familiar with the matter. The planned GM engine will be a turbocharged 2.5L ...