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

Moses Karomo is an enthusiastic automotive writer who can talk and write endlessly about cars. He has extensive automotive reporting experience, writing about all manner of automotive topics. He keeps ...

The opposed-piston engine has been around for over 100 years and is more efficient in almost every way. The engine has no traditional valves, cams, or camshafts, and no head, so it’s simpler and ...

That fresh air is squeezed into a small pocket in the center of the cylinder as both pistons come together, where finally diesel fuel is directly injected, igniting the mixture and creating the power ...

Opposed-piston engine technology has been touted as a possible alternative to conventional engine designs for years. Now, opposed-piston engine developer Achates Power reports that its 10.6L ...

DETROIT — While Tesla, General Motors, Nissan, BMW and other automakers doggedly push to bring battery-powered vehicles into the mainstream, Achates Power engineers are betting that an old technology ...

Mack has debuted an all-new Class 8 tractor and an updated Granite model ahead of ConExpo-Con/Agg 2026.

When we here in the modern age think of an “engine,” we are usually thinking of a four-stroke, four-cylinder, gasoline-fed, internal-combustion engine with the valves on the top. But why must that be ...

I love weird engines—give me a rotary, a turbine, or, hell, even a flat-eight and I’ll be happy. That’s why I was so excited when I heard that INNengine of Granada, Spain had produced a opposed-piston ...

Achates Power of San Diego has developed a two-stroke truck diesel that has two crankshafts linked to two opposed pistons facing each other in a common cylinder. The biggest advantage of this design ...

Motor vehicle engine design has remained fairly standard throughout the history of the technology, although things have evolved quite a bit from the T-4 engine that powered Henry Ford's pioneering ...