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

Engine compression ratios have become a hot topic ...

The FIA is racing to resolve a dispute over Mercedes' engine compression ratios before Melbourne after protests from Red Bull, Ferrari, and Audi.

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

Is the 2026 title already decided? Rivals Audi and Ferrari protest Mercedes' \"thermal expansion trick\" that allegedly ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Gasoline engines operate on the Otto cycle, relying on standard four- or two-stroke combustion. What is the Atkinson cycle, ...

Even before the 2026 calendar year has begun, the first controversy under F1's new ruleset has already surfaced. It concerns the engine regulations, and more specifically the compression ratio of the ...

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

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 ...

The engine loophole rumours have sparked much debate.

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...