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F1: FIA reveals result of third ADUO analysis
Third, and final, ADUO analysis of 2026 sees no manufacturers get additional upgrades. ADUO (Additional Development and Upgrade Opportunities) is the mechanism within the 2026 technical regulations which allows power unit manufacturers whose Internal Combustion Engine (ICE) performance falls at least 2% below the best-performing ICE across defined review periods to introduce additional homologated upgrades to their power unit during the current and following season, but also to benefit from additional cost cap and dyno testing allowances. The level is calculated over three periods each season, with the level of allowance determined by the size of the performance gap to the leading ICE,...
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