Is GM really eyeing a return to the two-stroke engine?

Two-stroke engines have largely fallen out of fashion when it comes to newer vehicles. However, GM appears to have not ...
Construction Equipment

Two-Stroke Basics

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 ...
New Atlas

One small change solves the two-stroke engine's biggest problems

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...
GM Authority

Patent Filing Shows GM May Be Working On Two-Stroke Engine

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 ...
Autoblog

GM Is Working on a Modern Two-Stroke Engine That Could Make a Comeback

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...