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FIA expands engine catch-up rules amid Honda crisis
May 11 The FIA has widened Formula 1's controversial Additional Development and Upgrade Opportunities (ADUO) system – a move likely to benefit struggling manufacturers led by Honda and potentially Ferrari. The governing body confirmed revisions to the 2026 engine regulations after the cancellation of the Bahrain and Saudi Arabian grands prix disrupted the original timetable for assessing power unit performance deficits. The ADUO system was introduced to avoid repeats of previous F1 engine eras, where underperforming manufacturers could remain uncompetitive for years under homologation freezes. Under the rules, manufacturers trailing the benchmark engine receive extra dyno hours,...
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