Audi introduced a new Formula 1 power unit as early as the Barcelona Grand Prix, after the FIA communicated the results of the first ADUO period.<br>The Additional Development and Upgrade Opportunities mechanism allows engine providers who lack power to introduce extra updates, and the first review took place following the Canadian GP, with the FIA releasing the results to the manufacturers in ...<a class='more' href='https://www.autosport.com/f1/news/audi-surprises-rivals-as-it-ran-upgraded-f1-engine-at-barcelona-gp-after-aduo-verdict/10832722/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>