Red Bull flags 'large risk' after FIA ADUO engine ruling

Red Bull team principal Laurent Mekies says the FIA's ADUO ruling has placed the team in a position of "risk" after the governing body identified its power unit as the benchmark in the opening rounds of the 2026 season. The decision freezes combustion engine upgrades for the remainder of the year, while rivals remain free to develop other elements of their power units.

Why it matters:

The freeze threatens to stall Red Bull's championship push at a critical point in the season. Introduced with the 2026 regulations, the ADUO system is designed to stop any single engine supplier from holding a prolonged advantage. Mekies stressed the ruling carries major implications for the team's development this year and into 2027.

The details:

• ADUO restrictions apply only to the internal combustion engine, leaving systems like the ERS open for rival upgrades.
• Red Bull was surprised by the finding and has engaged in what Mekies called "very constructive discussions" with the FIA.
• Early reports suggest the governing body is unlikely to reverse its decision despite the ongoing review.
• Mekies said reaching the "right conclusion" matters more than speed, though the delay comes at a competitive cost.

What's next:

• Red Bull must defend its current advantage while rivals unlock gains from unregulated areas of their power units.
• The team continues working with the FIA, but faces a growing development gap if the freeze stands through the summer.
• The outcome could heavily influence both championship fights as the season unfolds.