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F1i
Regulation 2 sources

FIA admits ADUO scheme weaknesses after Red Bull talks

The FIA conceded its controversial Additional Development and Upgrade Opportunities (ADUO) system has weaknesses and needs refining, following talks and data analysis with Red Bull over the initial verdict. The admission came from FIA single-seater director Nikolas Tombazis.

Red Bull

How the sources differ

PlanetF1 leads on the FIA-Red Bull talks and data analysis, while F1i frames it as an FIA concession on the scheme's weaknesses. Motorsport Week adds Tombazis's admission of a need for tweaks. No official FIA document is present.

Recommended first read: F1i provides the clearest headline on the FIA's concession and includes the full context of the ADUO controversy, making it the most complete for readers.

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