Today, we explore the Birotary Engine, a unique creation that merges the features of piston and rotary engines. This video ...

In this video, we explore opposed piston engines, focusing on the Achates Power engine and the Asender engine. Opposed piston ...

Over the roar from a 110-cc, two-cylinder engine, Pinnacle Engines founder James Cleeves (nicknamed Monty), pointed out a window in the block. “You can see the cylinder sleeve moving for the intake ...

While the crosshatching work performed on the cylinders of your engine may be largely out of your control, it can still have ...

The piston engine may be the most common type of internal combustion engine found in consumer automotive vehicles. That doesn't mean it's the only option drivers have ever had access to. In the 1960s, ...

It would have been revolutionary: an internal combustion engine without oil. And it might have worked. But lots of real-world issues got in the way.