What’s the voodoo behind the horizontally opposed cylinder setup only found in Subarus and Porsches? And what sets them apart from inline engines?

A v6 engine shown without cylinder heads exposing valve relief cuts on the piston faces. - Dima Aletskyi/Shutterstock If you're shopping for a new automobile or motorcycle, in addition to some battery ...

Most cars on the road today use an inline engine. You'll find them in everything from economy hatchbacks to performance models. In fact, the inline six engine has been making a comeback in recent ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.

If you're shopping for a new automobile or motorcycle, in addition to some battery-electric-powered models, you'll find examples powered by different types of combustion engines. One primary ...