FIA single-seater director Nikolas Tombazis has officially confirmed that at least one F1 team has succeeded with a power unit trick that has sparked a row which is overshadowing the build-up to the new season.
The introduction of new PUs has played a significant role in attracting new manufacturers to the sport. Although Renault has left, Audi makes its long-awaited debut this season, Honda has returned, whilst Red Bull Powertrains has been formed. It is expected General Motors will also join in a few years to power F1's newest team on the grid this year, Cadillac.
READ MORE: FIA confirm new F1 power unit trick: 'Some have succeeded'
Cadillac F1 livery unveiled for 2026 season - first images
Cadillac's 2026 F1 livery is finally here!
F1's newest team unveiled its brand-new colours during a fourth-quarter Super Bowl advert between the Seattle Seahawks and New England Patriots.
READ MORE: Cadillac F1 livery unveiled for 2026 season - first images
McLaren 2026 F1 livery unveiled - first images
McLaren has unveiled its livery for the 2026 Formula 1 season, having run a black design during the five-day Barcelona test.
The Woking-based outfit revealed the livery for the MCL40 during a live event in Bahrain, streamed globally on YouTube.
Aston Martin 2026 F1 livery revealed - first images
Aston Martin has unveiled its livery for the 2026 Formula 1 season, becoming the 11th and final team to do so.
The British outfit, led by new team principal Adrian Newey, showed the world the livery of its AMR26 during a live event in Dhahran, Saudi Arabia.
READ MORE: Aston Martin 2026 F1 livery revealed - first images
McLaren prepared for loss of crucial F1 trick after rules revamp
McLaren says it is "accepting" of the fact that some of its advantage in 2025 will be wiped out by the new F1 floor rules.
Between 2022 and 2025 in the ground effects era, the floors were required to be as low to the ground as possible to create downforce, with McLaren excelling after upgrades in 2023, going from backmarkers at the start of that season to champions by the end of 2024.
READ MORE: McLaren prepared for loss of crucial F1 trick after rules revamp
McLaren make defiant Mercedes Australian GP claim as F1 row rumbles on
McLaren CEO Zak Brown is certain the season-opening Australian Grand Prix will not be ruined by the spectacle of the Mercedes-powered teams not being on the grid.
Following the introduction of new power units for this season, F1's compression ratio row is undermining pre-season preparations, and despite the best efforts of the FIA, could yet spill over in the curtain-raising race at Melbourne's Albert Park.
READ MORE: McLaren make defiant Mercedes Australian GP claim as F1 row rumbles on
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