Explore the history of two-stroke engines, from early adopters to their decline due to emissions regulations and advancing ...

This is how the combination of an engine, fuel, and air makes your car move, explained in plain English, in case you're not an engineer.

Piston-engine aircraft use more than one spark plug per cylinder, and for good reason. Beyond performance gains, it all comes ...

We recently heard the next-generation small-block V-8 engines coming from GM will have a unique cylinder-deactivation capability that can reduce or activate from one to eight cylinders.

Improved precision, piston and ring manufacturing technology, better engine oils, and superior cylinder wall finishing techniques make it possible for engine builders to go to ever-thinner rings.

Is It Really a "1-Stroke?" This is basically a four-cylinder, opposed-piston engine, similar in basic concept to the EcoMotors OPOC and Achates Power opposed-piston engines.

Many vehicle owners know about brake pads and their importance, but what about the brake calipers? Here's what they do and how many the average car needs.