Formula 1’s next-generation power units are not even on the grid yet and they are already reshaping the competitive landscape ...

Legend has it that 30 seconds after Nikolaus Otto, the German engineer credited with developing the conventional four-stroke internal-combustion engine, successfully demonstrated his invention, his ...

Today's low-octane unleaded gas mandates a compression ratio reduction for '60s supercars. The easiest way to lower compression is usually to swap on late-model heads; not only do their larger ...

Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.