General Motors may not be building a bike engine, but this two-stroke concept has real potential for motorcycle engineering.

It’s been a while since two-stroke engines went the way of the dinosaurs, with them being considered too inefficient, noisy, ...

If we ran a poll on Visordown tomorrow asking if people prefer two or four-stroke engines, the ringy-dingy two-smoke would ...

We love ourselves a good oddball engine, and tiny, scrappy Mazda certainly must be responsible for more such engine concept patents per market-capitalization dollar than any other. We just discovered ...

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 ...

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 ...