The two-stroke engine is mostly a piece of history today, but there was a time when some of the coolest developments in engine technology were two-cycle engines. Here’s how two-stroke technology rose ...

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 ...

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 ...

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 ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

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 ...