The Additional Development and Upgrade Opportunities (ADUO) for Formula 1 power units was officially announced following the first period results. While the press release was ready to go, it notably excluded details about the second period, which will likely be addressed in future announcements. mieszalniakolorado.pl
Red Bull Leads F1 Engine Rankings Under ADUO

The FIA's ADUO system has confirmed Red Bull's engine as Formula 1's top-ranked after the first period results were shared at the Monaco Grand Prix.
