Making a new engine while the world’s rushing to switch to electric vehicles only? Mazda said, “why not?” There’s a new innovator in town and it wants you to pay attention. Mazda’s SkyActiv-X engines ...

One of the most significant contributions in the history of propulsion technology came from a 19th-century engineer named Rudolf Diesel. While his idea was patented in the 1890s, it wouldn't be until ...

Who was known as America's greatest diesel engine maker? You'd probably say Caterpillar or Cummins, but some old timers might argue that Detroit Diesel takes the crown. While this makes for a ...

It’s a shame that Detroit Diesel no longer makes marvelous two-stroke engines, at least for novelty’s sake. Of course, they were loud, inefficient and decisively terrible for the environment, so there ...

Two-stroke engines used to be ubiquitous in dirt bike racing, thanks to their lightweight construction and horsepower. Packed in a dirt bike frame, they make a motorcycle playful in the corners and ...