Engineers have a lot to think about when designing new engines, and one of the biggest considerations is the shape of the ...

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

Sometimes, the terms boxer engine and flat engine are used interchangeably, even though the two are not the same. What's the ...

In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

Greencarcongress – Achates Power, the developer a two-stroke, compression-ignition (CI) opposed-piston (OP) engine, is presenting performance and emissions results of the Achates engine used in a ...

Unless you rebuilding an engine with little to no budget you're going to upgrade to aluminum forged pistons. Besides being stronger than cast pistons, the lighter aluminum cuts parasitic power loss.

Pistons are an engine-building element we like to brag about, but you won't catch many of us boasting about having cast pistons. Cast pistons are for wimps. Many of us like to talk up hypereutectic ...

Achates Power’s cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board and several partners has entered fleet service with Walmart in a Peterbilt 579 ...

A small company called Pinnacle Engines wants to radically change the internal combustion engine. Instead of a cylinder head, combustion pushes two cylinders away from each other in the same cylinder, ...

According to Valovline, Restore & Protect motor oil has been shown to remove piston ring deposits and restore piston ring function.