Get all your news in one place.
100's of premium titles.
One app.
Start reading
Motorsport
Motorsport
Filip Cleeren

What is ADUO? How F1's engine catch-up system works, and became political

ADUO Mercedes Honda FIA Red Bull Ferrari Toto Wolff

The FIA is yet to officially reveal which Formula 1 manufacturers qualify for additional help developing their internal combustion engines. But news emerged over the Monaco weekend that Red Bull is surprisingly leading the field in V6 performance and all other OEMs, including Mercedes, qualify for an additional upgrade.

As part of the ADUO system (Additional Development and Upgrade Opportunities), the V6 engine performance of all units is measured after every quarter of the season. Manufacturers lagging behind on performance are granted extra opportunities to improve their engines during the campaign.

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
What Happened to Travis Barker? Musician Shares Hospital Photos as Kourtney Kardashian Stays by His Side
Travis Barker says he underwent cubital tunnel release surgery after experiencing numbness in his arm, hand and fingers, adding that he hopes to resume drumming within weeks.
International Business Times UK
International Business Times UK
Woman orders a Whopper and a Whopper Jr. at a mall Burger King. Then she sees the $30 total and shows the camera the tray: ‘This is crazy’
She showed everything that came with it.
We Got This Covered
We Got This Covered
'I didn't know this place existed': Britney Spears enjoys family day at Dollywood
Britney Spears enjoyed a visit to Dollywood with her two sons - but admitted she hadn't been aware the theme park "existed" before their trip.
BANG Premier
BANG Premier
How Jim Bakker became the Johnny Carson of Christian TV
When I was researching my 2017 book, “PTL: The Rise and Fall of Jim and Tammy Faye Bakker’s Evangelical Empire,” I interviewed dozens of former staffers and supporters of PTL, the ministry, television and theme park empire that the Bakkers built starting in the 1970s.
The Conversation
The Conversation
GTA 6 Full Nudity and Censorship Updates: Quick Facts on Jason and Lucia in the Upcoming Release
An IGN gameplay demonstration showed GTA VI protagonist Jason naked in a shower, while official ratings confirm nudity and sexual content. The extent of explicit imagery remains unclear
International Business Times UK
International Business Times UK
Nearly Two in Three Students Who Vape Use Geek Bar as 1.44 Million U.S. Youth Report E-Cigarette Use
About 1.44 million U.S. students vape, and 64% of them use Geek Bar, a new 2025 youth survey analysis shows. Here is what parents should know now.
Medical Daily
Medical Daily
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.
Download on the AppStore Get it on Google Play