F1の統括団体は、パワーユニットメーカーの競争力低下を補うために「追加開発・アップグレード機会（ADUO）」システムを調整した。この変更は、アストンマーティンに供給を行う中でエンジンの競争力不足や信頼性の問題に直面しているホンダに恩恵をもたらすと見られている。更新内容には、コストキャップの適用除外枠の拡大や開発時間の増加が含まれる。
FIAは2026年に導入される全く新しいパワーユニットに向けて、エンジンサプライヤー間の長期的な競争力格差を防ぐためADUOメカニズムを導入した。改訂されたスライディングスケールに基づき、内燃エンジンの出力が基準値から8%以上遅れているメーカーは、10%の不足に達した時点で追加の許容枠を得る資格が与えられる。これには今年度限定で利用可能な800万ドルのコストキャップ適用除外に加え、標準のホモロゲーション期間外に行う開発作業のためのダイナモ稼働時間の増加が含まれる。
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During pre-season testing in Bahrain, Mercedes team principal Toto Wolff expressed concern that his team would face challenges if the FIA adjusts compression ratio checks for the 2026 Formula 1 season. Rivals are pushing for changes to measurement procedures, arguing that Mercedes engines exceed the 16:1 limit on track despite complying in static tests. Wolff emphasized that all Mercedes engines are fully legal and rejected any plans for legal action.
Mercedes team principal Toto Wolff expressed disappointment at the prospect of FIA decisions on Additional Design and Upgrade Opportunities altering Formula 1's competitive order. He stressed that ADUO should aid struggling manufacturers without enabling leapfrogging. Wolff views only one engine maker, Honda, as truly needing the extra updates.
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Mercedes leads the 2026 Formula 1 season after three rounds, with Kimi Antonelli topping the drivers' standings and his team 45 points ahead of Ferrari in constructors. The championship leader anticipates Ferrari closing the gap thanks to the new Additional Development and Upgrade Opportunities rule. Antonelli won the last two races in China and Japan.
The FIA has approved several last-minute adjustments to the Formula 1 regulations ahead of the 2026 season-opening Australian Grand Prix in Melbourne. Key changes include closing an engine compression ratio loophole and tweaking the qualifying format, though some issues like energy management remain unresolved. These updates aim to address technical controversies and ensure fair competition from the start.
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The FIA is seeking a vote from Formula 1 manufacturers on clarifying the 2026 engine compression ratio rules amid concerns over Mercedes' design. Mercedes team principal Toto Wolff described the controversy as a 'storm in a teacup,' emphasizing that his team kept the governing body informed throughout development. The proposed change would introduce an additional measurement at operating temperature if approved.
Formula 1's governing body, the FIA, has approved unanimous changes to how engine compression ratios are measured in the 2026 power units, effective from 1 June. The decision addresses concerns raised by manufacturers including Audi, Ferrari, and Honda over Mercedes' compliance during hot operating conditions. The revisions aim to ensure fairness while maintaining the 16:1 limit introduced to attract newcomers to the sport.
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Audi marked its entry into Formula 1 with a points finish at the 2026 Australian Grand Prix, as Gabriel Bortoleto secured ninth place. Despite technical challenges that sidelined teammate Nico Hulkenberg, the team expressed confidence in overcoming early powertrain issues. Team principal Jonathan Wheatley described the result as a historic moment.