The FIA has published the results of the latest Additional Development and Upgrade Opportunities (ADUO) evaluation for Formula 1 power units - with Red Bull-Ford still... read more »

The FIA's single-seater director Nikolas Tombazis has admitted that the controversial ADUO system has "weaknesses". read more »

FIA single-seater director Nikolas Tombazis has admitted that F1's ADUO system will need to be tweaked in the coming years. The post FIA director admits to F1 ADUO... read more »

Few topics in the Formula 1 paddock have generated as much political debate during the first half of the season as ADUO, the Additional Development and Upgrade... read more »

Toto Wolff admitted that Mercedes has the strongest Formula 1 power unit, which has sparked interest from Red Bull, as the ADUO monitoring comes into the spotlight again.One of... read more »

Audi F1 boss Mattia Binotto has hinted that Mercedes had potential to dupe the system when it came to the FIA's additional development and upgrade opportunities (ADUO) scheme. read more »

Audi boss, Mattia Binotto believes that the criteria by which the ADUO system is measured is unfair. read more »

Mattia Binotto, chief of the Audi Formula 1 project, has called on the FIA to consider a change in process of the Additional Development and Upgrade Opportunities [ADUO]... read more »

Audi Formula 1 boss Mattia Binotto is calling on the FIA to "rethink" the ADUO upgrade scheme after Mercedes was one of the manufacturers afforded room for additional... read more »

While Audi and Ferrari introduced their first ADUO upgrades of the season in Barcelona and Spielberg respectively, Mercedes also arrived in Austria with a new power unit... read more »

Formula One's engine equalisation mechanism-the ADUO system-has become a central talking point during last weekend's Austrian Grand Prix, after the FIA's... read more »

On the eve of the Austrian Grand Prix, Red Bull team boss Laurent Mekies faced a fresh round of questions about the FIA's ADUO engine‑equalisation system, with the... read more »

Red Bull has not altered its Formula 1 engine development plan, but is in a position where it cannot bring upgrades to the track, due to the FIA ruling read more »

Red Bull boss, Laurent Mekies fears that ADUO ranking will prevent team upgrading its engine this year and again in 2027. read more »

Fred Vasseur revealed that Ferrari took a "very risky" approach to its power unit development plan read more »

F1's governing body the FIA has confirmed that a review will take place following concerns expressed by Red Bull about the way a key ADUO upgrades decision was made. read more »

Mercedes has moved to stabilise its power unit package after two race‑ending failures for George Russell in Canada and Andrea Kimi Antonelli in Barcelona were traced to the... read more »

Aston Martin Formula 1 power unit partner Honda says it will just bring one power unit improvement for this year despite being afforded two upgrade tokens.For the brand-new... read more »

What exactly is causing the delay?All Formula 1 manufacturers were informed of the initial results of the first ADUO (Additional Development and Upgrade Opportunities) period... read more »

Ferrari has moved to lower expectations about its first ADUO-influenced engine upgrade. read more »

A surprise name beat its F1 rivals to deploying an early ADUO upgrade that went under-the-radar in Barcelona. read more »

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.The Additional Development and... read more »

Audi F1 star Gabriel Bortoleto has laid out a realistic timeline for the German marque to see improvements on their power unit, having been granted upgrade tokens by the FIA. read more »

Ferrari is rumoured to be bringing its first ADUO engine upgrade to the next F1 race. read more »

Those controversial new ADUO regulations have caused a fresh storm in the F1 paddock, and the fallout continues with Mercedes team boss Toto Wolff backing the FIA. read more »