Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio engine which will ever be used in a production vehicle. The compression ...

GM Powertrain engineer John Rydzewski explains many of the features in the 2014 LT1 Corvette engine, including direct injection, continuous variable valve control, the rotating assembly, engine block, ...

The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel ...

The compression ratio in Mercedes’ and Red Bull's 2026 engines has come under scrutiny in F1, but what’s really behind it?

It has been reported that rival manufacturers, including Ferrari and Audi, have raised concerns over the potential advantage enjoyed by Mercedes and Red Bull under the upcoming regulations. The ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...