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

Rival manufacturers are working on plans to get the compression ratio checks adjusted ahead of the F1 season. Any change ...

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

The FIA are set to review proposal by manufacturers which could see the ban of Mercedes compression ratio trick before the ...

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

Mercedes boss Toto Wolff has told rival teams to focus on themselves amid an ongoing row over the interpretation of this year ...

An engine loophole in the 2026 regulations has been the subject of recent meetings ...

A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...

The engine loophole rumours have sparked much debate.

Infiniti introduced the world's first variable compression-ratio engine, a technology it claims to have been working on for two decades, at the 2017 Los Angeles Auto Show. A variable compression-ratio ...

One of the key variables for an internal combustion engine is its compression ratio. This is the ratio of the maximum volume within the cylinder (when the piston is at bottom dead center) and the ...