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 ...

Few oil burners carry as much weight as the 7.3. It was the first Ford engine to bear the now legendary Power Stroke name, and its mechanical ingenuity meant it not only created a buzz but also ...

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 ...