Sometimes, the terms boxer engine and flat engine are used interchangeably, even though the two are not the same. What's the difference? Which one is better?

An OP can be configured and packaged to fit the vehicle it’s intended for. For trucks, the cylinders are likely to be vertical or slanted. Photo: Achates Power Security’s tight at Achates Power Inc.

The diesel engine, we’ll all agree, is a terrific machine and is likely to be with us for many, many years to come. Will it always run on diesel fuel? Clearly not, at least not exclusively. But what ...

Ferrari continues to explore hydrogen-powered drivetrain solutions, patent documents discovered by AutoGuide.com indicate Ferrari is looking at a two-stroke 3- or 6-cylinder opposed piston engine ...

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 ...

Unit shown in the bottom of the photograph has been removed to show operation of the V-drive which is base of V-four engine.Ring gear shown on lower shaft of top unit is driven by a pinion mounted to ...

Witness the ultimate custom engine project as we transform two 7.5HP single-cylinder engines into a powerful, horizontally opposed twin-cylinder masterpiece. Follow a detailed step-by-step process ...

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 ...

Automobile engine designs with W-configurations and double-digit cylinder-counts rank among the most complicated car engines ever made. While other automakers have more-or-less accomplished combining ...