With the debut of the 2026 Jeep Grand Cherokee , Stellantis has unveiled its newest gasoline engine, a 2.0-liter turbocharged four-cylinder called the Hurricane 4, marking the latest evolution in the ...

For most of us around the world, our cars will be powered by either a humble yet hard-working four-cylinder engine, or a ...

Wärtsilä introduced its new Wärtsilä 25 medium-speed four-stroke engine based on its modular technology platform and designed to accelerate and support the maritime sector’s efforts in achieving ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

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" ...