Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

From June 1, the FIA will impose tougher tests on F1 power units in an attempt to clamp down on the compression ratio saga, but what tolerances will be permitted under the new tests?

Inline and V engines dominate modern combustion vehicle design. Each layout offers unique advantages in packaging, smoothness, cost, and performance. Here is how the two configurations differ and why ...

The electric vehicle revolution gets all the headlines, and perhaps for good reason. What nobody mentions is that the global internal combustion engine market was valued at around $280 billion in 2024 ...

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 ...

The world is facing a shift toward more sustainable and eco-friendly methods of power. The construction industry has been dealing with alternative options to the diesel engines it knows and loves. But ...

The Astron Aerospace H2 Starfire is a clean burning hydrogen and water powered internal combustion engine alternative to battery cell technology. There is very little parasitic power loss with the H2 ...

A global slump in sales is prompting automakers to rethink the rush to EVs. Reports of the death of the internal combustion engine have been greatly exaggerated. In the wake of stalled consumer demand ...

The next-generation Alpine A110 will debut later this year with an electric powertrain, and it is designed to also accommodate an internal combustion engine, Alpine CEO Philippe Krief told Autocar.

Camshafts are one of the most confusing components in an internal combustion engine. What makes those lumpy bumpsticks even more confounding is the sheer number of grinds available, and then multiply ...