Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

Because the fuel injected into the cylinders must be "timed" to squirt at the optimum instant, which roughly corresponds to the opening of the intake valve, the high-pressure pump also incorporates a ...

The first production gasoline car with fuel injection was not the famous Mercedes 300 SL, but a tiny postwar German car that ...

A traditional two-stroke engine has the piston pushing down after firing, moving past an exhaust port and allowing the exhaust gases to leave the chamber. Simultaneously, as the piston travels ...