A single line in the technical regulations sparked months of debate - here’s how the compression ratio saga unfolded and what ...

According to the FIA, compliance with the compression ratio limit “must be demonstrated not only at ambient conditions but also at a representative operating temperature of 130 degrees Celsius". The ...

Mercedes is at the centre of a controversy that has been simmering away throughout the off-season and into pre-season testing.

Formula One’s governing body moved to close a suspected loophole in the new engine ​regulations on Wednesday by proposing a change from August.

Aston Martin's problems are clear, even if F1's 2026 pecking order remains foggy. Here are the main takeaways from Day 1 ...

The FIA has proposed a new approach to the way it tests for compression ratio limits, with Formula 1's power unit manufacturers to vote on whether to approve a mid-season change that could hamper ...

Formula 1’s final preseason test ahead of the 2026 season is underway. All 11 teams are taking to the Bahrain International Circuit in their new cars, bidding to complete as much running as possible ...

The compression ratio controversy will be addressed with a new test, but not until August.

First day of the second F1 pre-season test in Bahrain Mercedes' George Russell tops timesheets with a 1:33.459 from McLaren's Oscar Piastri Final three days of running before 2026 campaign starts in ...

The FIA has launched an e-vote with the power unit manufacturers, aimed at introducing a new compression ratio methodology from August 1.

Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the ...

Engine compression ratios have become a hot topic ...