GM has filed a patent application for a two-stroke engine valve system, which could enhance efficiency and control compared ...

GM's Detroit Diesel division once made a two-stroke engine. A certain trait about this engine would lead to it getting the ...

Meet Rev Force, a clean two-stroke with a rotary valve, supercharged intake, 220 hp, 221 g/kWh BSFC, and multifuel support ...

Have you ever woken up in the middle of the night worried that you have never, ever changed the oil on your two-stroke lawnmower? Well, you can relax. A two-stroke oil change is like a left-handed ...

Under-square: Bore is less than stroke. For uses like off-roading with bigger cars or street cruising, this layout is ...

Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines. I can never resist a good oddball engine, and this one’s pedigree is ...

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 ...

Tijo is an engineer, mechanic, and an avid content creator with over 5 years of experience as an automotive journalist. His media and publishing journey began with CarHP and CarIndigo, and soon ...

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...