Engineers have a lot to think about when designing new engines, and one of the biggest considerations is the shape of the ...

Inline-fours offer smoother operation and reliability; three-cylinders are lighter and more efficient.

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

For more than 100 years, the internal combustion engine (ICE) has been the mechanism of choice for vehicles of all shapes and sizes. Across all configurations, the principle is the same: a mix of fuel ...

The flat-twin engine, a distinctive configuration known for its compact design and balance, has played a pivotal role in the history of engine development. Renowned for its application in both ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Airbus is teasing technologies that could enable its next-generation single-aisle jet, including innovative engine and wing designs aimed at boosting efficiency. The Toulouse-based airframer provided ...

Jet engines are relatively simple in their basic design, but advancements in gas turbine engine technology have mostly done away with the cool-looking bucket-type reverse thrust systems. These thrust ...