Mercedes “disappointed” if ADUO affects F1 title fight: “No place for gamesmanship” To prevent a repeat of 2014, the FIA has included a safety net in the current Formula 1 power unit regulations: the Additional Design and Upgrade Opportunities, or ADUO.The initial idea was to measure the pure output of the internal combustion engine every six races (1–6, 7–12, 13–18, and 19–24). Manufacturers that are between 2% and 4% down on the best ICE on the grid are granted one ...Keep reading #F1

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