More power typically hurts fuel economy, but higher compression breaks the rule. Here's how modern engine design squeezes out ...

Red Bull technical director Pierre Wache has rated the team's first in-house Formula 1 power unit project just four or five out of 10 Motorsport FIA moves F1's V8 return forward a year: 2030 engines ...

Combustion efficiency in internal combustion engines refers to the proportion of chemical energy in the fuel that is converted into useful mechanical work. Attaining high combustion efficiency is ...

Running an engine on hydrogen is the easy part, says Todd Anderson, PHINIA vice president and chief technology officer.

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

It would have been revolutionary: an internal combustion engine without oil. And it might have worked. But lots of real-world issues got in the way.

Internal combustion engines remain dominant in land transport and off‐grid power generation, but their reliance on petrol and diesel contributes significantly to global CO₂ and pollutant emissions.

A 2026 F1 internal combustion engine is a 1.6-litre V6 turbo capped at 400kW, or 536hp, revving to 15,000rpm and burning 100% sustainable fuel. It works alongside a 350kW (469hp) electric motor for a ...