The rumoured compression ratio engine loophole adopted by Red Bull and Mercedes has been dismissed as only a "clever ...

The compression ratio isn't just a number: it's one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Red Bull is convinced the compression ratio of its 2026 F1 engine is within the regulations, as Ben Hodgkinson calls the ...

Widespread reports suggest that at least one power unit manufacturer has managed to find a potential regulatory grey area.

Teams are continuing to press for clarification from the governing body over a response to rumours that two engine ...

Welcome to GPblog's daily liveblog. Don’t forget to check back here from time to time to catch all the best news of the day!

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

Veteran Italian journalist Leo Turrini has claimed that Mercedes could enjoy a significant power unit advantage throughout the 2026 F1 season due to the much discussed compression ratio loophole.

Pretty simple question actually (or so my ignorant mind thinks): At what compression ratio would an engine benefit from higher octane fuel? The Focus I drive is just over 10:1, and I've heard some say ...

Hearing about rumoured F1 2026 loopholes, Ross Brawn has responded.

As we near the end of the road for internal-combustion engines, manufacturers are spending big money to eke out small gains in fuel economy. The latest miracle is Nissan’s VC-T engine, the first ...