Downsized engines are no longer the underdogs of performance. With advanced turbocharging, electrification, and clever valvetrain tricks, several tiny powerplants now deliver output that rivals or ...

Any given garage or workshop can house a multitude of different small, diesel engine-powered implements, such as log splitters. The annoying thing about these many small engines is that, much like the ...

From cylinder deactivation to active grille shutters, carmakers go to significant lengths to increase fuel economy. What if the answer is simple? YouTuber Robot Cantina dropped a tiny diesel engine in ...

Big engines often cost more than small ones. Many countries even tax their vehicles based on engine size, with more cubic centimeters on the hook for more coin. In the collector car world, a big-block ...

Water injection is a tried-and-true method for cleaning up the combustion process in a diesel engine. It reduces both combustion temperatures and the resulting particular emissions. But what if you ...

You need lots of cubic inches for lots of power, right? Well, not really. Here are 10 cars with small engines that make big power, and can hit 150 mph Bigger is better, right? Well, mostly. But not ...