You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

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

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Even if you don't plan on ever owning a car with a diesel engine, you may still want to know how they compare to gas engines in terms of costs and maintenance.

Gas versus diesel is a debate over which billions have been spent to see which is better. Famously, Soviet tanks in World War II were powered by diesel, while the Germans used gas engines. Closer to ...

In terms of innovative engine tech, Mazda's SkyActiv-G engine and Toyota's 2.5-liter Dynamic Force engine are two industry leaders. Here's how they stack up.