Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

His Stirling engine was much safer because it worked on a different principle than steam. Instead of relying on the expansion of high-pressure steam, the Stirling engine is a closed system with a ...

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

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

The term horsepower has been a staple in the automotive industry for decades, but why exactly do we use it? The concept dates back to the 18th century when engineer James Watt sought a way to compare ...

As GM Authority has reported before, the Chevy Equinox crossover has a history of engine power problems stretching back to the 2018 through 2022 model years. If your 2023 through 2025 Chevy Equinox ...

A rendering of Wärtsilä's 100% hydrogen-ready engine power plant. Photo by Wärtsilä. Wärtsilä has announced a 100% hydrogen-ready engine power plant, which the company says is the world’s first.

Wärtsilä’s 34SG engines will provide primary power to the Ohio facility, bypassing local grid dependence.