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F1: What is ADUO (Additional Development and Upgrade Opportunities)?
The FIA explains ADUO, the mechanism by which manufacturers may upgrade their homologated power unit during a season, or the subsequent one, in ordr to encourage close competition. Across defined periods in each full season from 2026-2030 the FIA will monitor the performance of the Internal Combustion Engine (ICE) part of the Power Units supplied by each PU Manufacturer to its customer F1 Teams and will calculate an ICE Performance Index. The calculation is based on a range of factors including input shaft torque, engine speed, MGUK power and a weighting to account for power sensitivity on lap time across measured laps. From the outset, it has been transparently discussed between the FIA...
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