General Motors (GM) is revisiting a technology long thought to be obsolete in the world of cars: the two-stroke engine.

Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

I wouldn't count on this singular patent bringing that ring-ding-ding sound to your local parking lot any time soon.

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

Unless you're a motocross enthusiast, it's highly likely you haven't ben near a two-stroke engine in decades. While their mechanical simplicity, combined with an explosion on every complete revolution ...

When it comes to engine manufacturing, Detroit Diesel stands up there with the best of them. Established in 1938 as a General Motors division, the company primarily focused on manufacturing diesel ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

Everllence has unveiled its new, dual-fuel ME-LGIA (-Liquid Gas Injection Ammonia) engine. Using the Diesel principle and the well-known, dual-fuel liquid gas injection concept, the ME-LGIA engine has ...