Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx — nitrogen oxides-based emissions – than gasoline-fed cars, as well as more particulates, aka soot ...

You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...

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 ...