You've heard that pistons have rings, but have you ever wondered why there are three? Here's how piston rings work together ...

Add Yahoo as a preferred source to see more of our stories on Google. Ferrari is exploring a groundbreaking approach to the internal combustion engine, as revealed by a recent European patent filing.

Gasoline and diesel engines feature many differences aside from fuel type. Compared to gasoline engines, a diesel is typically a lower-revving, torquier design, hence why it's often preferred over ...

You've seen plenty of weird engines on Jalopnik, from Trojan's weird two-stroke, four-cylinder cube with wishbone-shaped connecting rods to the Napier Deltic triangle-18 diesel, but never have you ...