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ADUO shock as Red Bull has best F1 engine

Mercedes and Ferrari will both be able to use upgrade tokens to improve their Formula 1 engines under the ADUO system

The F1 Show: FIA decision to grant pace-setting Mercedes engine upgrade questioned by Sky Sports F1's David Croft

Catch up on all the major talking points from the Monaco GP by listening to the latest episode of The F1 Show podcast; watch every session of the Barcelona-Catalunya Grand Prix this weekend live on Sk

What is ADUO? The F1 rule may give struggling teams a second chance

ADUO stands for Additional Development and Upgrade Opportunities, and means that any engine manufacturer judged to be off the pace of the leading engine — currently that of Mercedes — can improve its design. At the same time, development opportunities for the leader are limited.
PlanetF1 on MSN

Ferrari and Audi raise concerns as F1 2027 engine talks reach critical stage

A series of Monaco summits could prove decisive as manufacturers push for clarity over Formula 1's planned 60/40 power unit