The realm of pistons and internal combustion has been on an evolutionary arms race since the very first power stroke of the Big Bang that started the reciprocating piston revolution. Stronger, faster, ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

Mazda patents a complex 6-stroke engine that generates hydrogen from gasoline, offering zero emissions and daily operation ...

The four-stroke engine has dominated internal combustion for more than a century, but a British engineering firm is ready to topple that technology with what it calls a 150-horsepower "five-stroke" ...

Just days ago, Porsche patented a revolutionary six-stroke engine that combines the power advantages of a two-stroke engine ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...