Working with engine manufacturers worldwide, Achates Power is intent on bringing the opposed-piston engines to market. It is currently working on 2.7, 5, 10, 14, and 200L engines for different ...

More compact and with a lower center of gravity than an in-line piston engine, the 4-cylinder, horizontally-opposed turbo diesel that Subaru is premiering in Geneva promises better handling, safer ...

Opposed-piston engines aren’t a new idea. Some might remember the ‘Commer Knocker’ from the 1950s and 1960s, and know of Junkers airplanes in the 1920s and 1930s.

All current Subaru engines are the horizontally opposed type with four cylinders. The Toyota 86 , a mechanical twin of the Subaru BRZ , also uses a flat-four Subaru engine.

That sounds great, but boxer engines are not without drawbacks. The nature of a horizontally opposed engine necessitates some additional components that make them more complicated than inline ...

This new-generation Horizontally-Opposed 4 cylinder gasoline engine, the third generation Subaru boxer engine, showcases Subaru’s latest engineering research and development.

EcoMotors International's opposed-piston engine on the other hand might well have a future, ... Each cylinder, horizontally opposed as in a boxer engine, contains two pistons facing each other.