A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

Zak Brown has dismissed the swelling controversy over compression ratios and Mercedes power units as nothing more 'typical ...

Technical manoeuvring to push regulatory boundaries for the slightest performance edge without actually breaking any rules is ...

There is a dispute between F1s teams over a rule limiting the compression ratio in the new power units for 2026; watch the ...

Months of discussions between manufacturers and the FIA are now moving towards a concrete agreement. Whilst the teams will strive to optimise every lap in this week’s Bahrain test, an equally ...

Mercedes' rivals are said to be pushing for a change to the rules before the Australian Grand Prix.

The engine loophole rumours have sparked much debate.

Formula 1’s technical landscape is on the verge of a major flashpoint as manufacturers prepare for two high-stakes meetings ...

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 ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

Stock car racing engines are all about efficiency. That's because all the simple solutions for making power have either been maximized or eliminated by the rule book. You aren't allowed power adders ...