We won't be seeing such technologies on the list below, since we're instead focusing on the 10 most powerful naturally ...

Toyota introduces a 400-horsepower four-cylinder engine, combining powerful performance with a minimal carbon footprint.

Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high ...

Ferrari won't abandon the naturally aspirated V12 we all know and love anytime soon. The same applies to the brand's ...

With the exhaust ports placed low on the sides, intake and exhaust heat remain separate, keeping intake air cooler and ...

From its modest beginnings in 1860 as a single-cylinder, coal gas-powered machine capable of just two horsepower, to the high-revving, 1,000-horsepower V6 powerplants used in F1 cars today, the ...

When French carmaker Renault and China's Geely carved out their combustion-engine operations in 2022, the venture looked like ...