{"id":1878203,"date":"2026-04-11T08:00:00","date_gmt":"2026-04-11T05:00:00","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1878203"},"modified":"2026-04-11T08:00:00","modified_gmt":"2026-04-11T05:00:00","slug":"what-is-aduo-and-why-is-it-so-important-f1s-engine-balancing-system-explained","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1878203","title":{"rendered":"What is ADUO and why is it so important? F1\u2019s engine balancing system explained"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1600&amp;aspect_ratio=16:9&#8243;]<\/p>\n<article>\n<header id=\"lbs-article\" class=\"article header article-header section layout layout--article-header\">\n<div class=\"col headline\">\n<div>\n<h1>What is ADUO and why is it so important? F1\u2019s engine balancing system explained<\/h1>\n<\/div>\n<div>\n<div class=\"summary body\">\n<p>Everything you need to know about Additional Development Upgrade Opportunities &#8211; F1&#8217;s new rule for 2026.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section two-column\">\n<div class=\"col article-info\">\n<div>\n<address> Lewis Larkam <\/address>\n<\/div>\n<div>\n<div><time datetime=\"2026-04-11T09:00:00+01:00\">11 Apr 2026<\/time><\/div>\n<\/div>\n<\/div>\n<div class=\"col article-actions\">\n<div class=\"block block-better-social-sharing-buttons block-social-sharing-buttons-block\">\n<div class=\"social-sharing-buttons\"><span class=\"ssb-title\"> Share<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/header>\n<div id=\"lbs-content\" class=\"content wide-two-column-sticky section layout layout--wide-two-column-sticky\">\n<div class=\"col first-column\">\n<div>\n<div>\n<figure> <source srcset=\"https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1920&amp;format=webp&amp;aspect_ratio=16:9 1920w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1800&amp;format=webp&amp;aspect_ratio=16:9 1800w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1600&amp;format=webp&amp;aspect_ratio=16:9 1600w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1500&amp;format=webp&amp;aspect_ratio=16:9 1500w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1200&amp;format=webp&amp;aspect_ratio=16:9 1200w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=900&amp;format=webp&amp;aspect_ratio=16:9 900w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=800&amp;format=webp&amp;aspect_ratio=16:9 800w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=600&amp;format=webp&amp;aspect_ratio=16:9 600w,https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=400&amp;format=webp&amp;aspect_ratio=16:9 400w\" sizes=\"(min-width:1024px) 710px, (min-width:768px) 62vw, 97vw\" type=\"image\/webp\" \/><figcaption>\n<div>Audi is one team looking to benefit from ADUO<\/div>\n<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"block block-preferred-source\">\n<div class=\"preferred-source-cta\">  Add as a preferred source <\/div>\n<\/div>\n<div>\n<div class=\"body\">\n<p>The 2026 Formula 1 regulations feature a new performance-balancing rule known as Additional Development Upgrade Opportunities or ADUO &#8211; here\u2019s what it means and how it works.<\/p>\n<p>ADUO is effectively a catch-up framework for power unit manufacturers who have fallen behind. The regulations set out three periods during the season with manufacturers judged to be between two and four per cent behind the class-leading engine awarded extra development opportunities for this year and next.<\/p>\n<p>It can be viewed as a type of Balance of Performance (BoP), however the onus is on the trailing manufacturers to close the gap, rather than the leading one being pegged back, as is the case in the World Endurance Championship.<\/p>\n<p>Power unit manufacturers found to be between two and four per cent adrift will be permitted one immediate change, with those over the four per cent threshold granted further concessions. These will include increased dyno time and more cost cap flexibility.<\/p>\n<p>While acting as a performance-balancer to prevent huge competitive gaps between the 11 teams being cemented for years to come, avoiding the kind of scenarios we saw back in 2014 amid the height of Mercedes dominance, ADUO does not provide opportunity for a quick fix.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cThe lead times on engine development are very long,\u201d Audi boss Mattia Binotto explained at the Japanese Grand Prix.<\/p>\n<p>\u201cWe have assessed, I believe, that most of the gap we got to the top teams is from the power unit, which is not unexpected. We knew that would have been the biggest challenge.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-b0ab7cc2753e4593103a5f6235e5b79449ec721b133f623442b8dfc902fad7d8\">  Lewis Hamilton returns to F1 track with Ferrari for crucial Pirelli test   F1 world champion\u2019s daughter makes her racing debut this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cAnd we have got a plan to recover. But engine development, especially when it comes to some concepts, can take longer. It&#8217;s not by chance that we have set 2030 as our objective [for competing for world championships].<\/p>\n<p>\u201cBecause we know that it will take long. And I think what we need now is to be patient as well. We are very ambitious and we would like to see things solved in a couple of races. But sometimes that&#8217;s not the case.<\/p>\n<p>\u201cSo I think we need to understand exactly where we are as a team, what are the plans. And as well, stick to the plans. Because miracles are not possible.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article_2\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-1a94b58e94ad33c0c94011bd06e992b2f3d1ce11384f4a7425a4fa79a9592cc4\">  Why Lance Stroll thinks winning is possible on his GT racing debut   Why Max Verstappen is not racing in NLS3 this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cWe are not here to create miracles. It&#8217;s not us. We cannot do that. But we are here to have proper plans to address and to improve in the future. And I think that&#8217;s also possible.\u201d<\/p>\n<p>Like Audi, Honda has a significant deficit to the front of the field when it comes to engine performance. The Japanese manufacturer is likely to be on course to receive maximum help after a disastrous start to 2026.<\/p>\n<p>&#8220;We are working hard to improve battery reliability but on the other hand, also in the Sakura factory, we are working hard to improve engine performance,&#8221; Honda&#8217;s lead F1 trackside engineer Shintaro Orihara said.<\/p>\n<p>&#8220;And also we are working hard to optimise energy management. That is a parallel work now. Also to develop engine performance, mechanically, is not a short-term job, so we keep working hard to improve engine performance in the background.<\/p>\n<p>&#8220;But we gathered a lot of data through the race distance [at Suzuka]. That gives us more, how to say, data to improve our drivability and also energy management. That gives us good data for the coming four weeks going to Miami.&#8221;<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>The first threshold period for assessment under ADUO was due to come after the sixth round of the season, which was originally scheduled to be the Miami Grand Prix on 3 May.<\/p>\n<p>However, following the cancellation of races in Bahrain and Saudi Arabia because of the Iran war, Miami will now be the fourth round of the 2026 campaign. As such, the date could be moved until Monaco in early June.<\/p>\n<p>A recent meeting of the F1 Commission was expected to determine exactly when this will be, but the periods for ADUO assessment will be set quarterly throughout the 2026 season.\u00a0<\/p>\n<aside>\n<div class=\"block block-echobox\">\n<h2>Subscribe to our F1 Newsletter<\/h2>\n<div class=\"info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-info\" id=\"edit-info--2\">\n<p>Get the latest F1 news, exclusives, interviews and promotions from the paddock direct to your inbox<\/p>\n<\/div>\n<div class=\"extra-info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-legal\" id=\"edit-legal--2\">\n<p>For more information see our Privacy Policy<\/p>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div>\n<h2>In this article<\/h2>\n<div>\n<div class=\"field_keywords\">F1<\/div>\n<\/div>\n<\/div>\n<div class=\"block block-next-prev\">\n<div class=\"next-prev-pager contextual-region\">\n<div class=\"items\">\n<div class=\"item prev\">\n<h3>  Previous<\/h3>\n<div class=\"card card_default\">\n<div class=\"content\"> Why Max Verstappen is not racing in NLS3 this weekend<\/div>\n<source srcset=\"https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=1920&amp;format=webp 1920w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=1800&amp;format=webp 1800w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=1600&amp;format=webp 1600w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=1500&amp;format=webp 1500w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=1200&amp;format=webp 1200w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=900&amp;format=webp 900w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=800&amp;format=webp 800w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=600&amp;format=webp 600w,https:\/\/cdn.crash.net\/2026-04\/xpb_1404374_hires.jpg?width=400&amp;format=webp 400w\" sizes=\"(min-width:1024px) 710px, (min-width:768px) 62vw, 97vw\" type=\"image\/webp\" \/><\/div>\n<\/div>\n<div class=\"item next\">\n<h3> Next <\/h3>\n<div class=\"card card_default\">\n<div class=\"content\"> Why Lance Stroll thinks winning is possible on his GT racing debut<\/div>\n<source srcset=\"https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=1920&amp;format=webp 1920w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=1800&amp;format=webp 1800w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=1600&amp;format=webp 1600w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=1500&amp;format=webp 1500w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=1200&amp;format=webp 1200w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=900&amp;format=webp 900w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=800&amp;format=webp 800w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=600&amp;format=webp 600w,https:\/\/cdn.crash.net\/2026-02\/xpb_1394990_hires.jpg?width=400&amp;format=webp 400w\" sizes=\"(min-width:1024px) 710px, (min-width:768px) 62vw, 97vw\" type=\"image\/webp\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"article-author-block block block-configurable-views-block\">\n<div class=\"author-view grid-view js-view-dom-id-9f73092355082273a6efa29e9ddaf5a224361d3196451b937570136e76e5ad88\">\n<div class=\"card user default\">\n<div class=\"image\"> <source srcset=\"https:\/\/cdn.crash.net\/pictures\/1bc46a82-ac76-40ea-9cf5-d309b802b0ef_1.jpeg?height=270&amp;format=webp 270w,https:\/\/cdn.crash.net\/pictures\/1bc46a82-ac76-40ea-9cf5-d309b802b0ef_1.jpeg?height=180&amp;format=webp 180w,https:\/\/cdn.crash.net\/pictures\/1bc46a82-ac76-40ea-9cf5-d309b802b0ef_1.jpeg?height=90&amp;format=webp 90w\" sizes=\"100px\" type=\"image\/webp\" \/><\/div>\n<div class=\"info\">\n<div class=\"header\">\n<div class=\"text\">\n<div class=\"name\">Lewis Larkam<\/div>\n<div class=\"role\">F1 Editor<\/div>\n<\/div>\n<\/div>\n<div class=\"desc\">\n<p>Lewis regularly attends Grands Prix for Crash.net around the world. Often reporting on the action from the ground, Lewis tells the stories of the people who matter in the sport.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"views-element-container block block-views-blockrelated-content-related-content-block\">\n<h3>More News<\/h3>\n<div class=\"grid-view grid-2 js-view-dom-id-af2e26569856b37b252bd563bb1d9d36d4f1877bc4305fd9dbd647446cc31a2b\">\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  News <\/div>\n<\/div>\n<p>Max Verstappen\u2019s father reacts to bombshell Gianpiero Lambiase exit<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775811794\"> 23h ago<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/si202603280207.jpg?aspect_ratio=1:1\" alt=\"Lambiase has been an ever-present at Verstappen's side at Red Bull\" loading=\"lazy\"><\/div>\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  News <\/div>\n<\/div>\n<p>How Max Verstappen\u2019s F1 race engineer will fit in at McLaren<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775809740\"> 23h ago<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/xpb_1399065_hires.jpg?aspect_ratio=1:1\" alt=\"Lambiase will complete a shock switch from Red Bull to F1 rival McLaren\" loading=\"lazy\"><\/div>\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  Feature <\/div>\n<\/div>\n<p>The biggest winners and losers from F1\u2019s surprise five-week break<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775806200\"> 10\/04\/26<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/2268868295.jpg?aspect_ratio=1:1\" alt=\"The start of the 2026 Japanese Grand Prix \" loading=\"lazy\"><\/div>\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  News <\/div>\n<\/div>\n<p>Revealed: What happened in first F1 rule change meeting<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775756508\"> 09\/04\/26<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/a260634_medium.jpg?aspect_ratio=1:1\" alt=\"F1's 2026 rules have divided fans and drivers alike\" loading=\"lazy\"><\/div>\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  Feature <\/div>\n<\/div>\n<p>Why Lambiase isn&#8217;t the only ace McLaren could play to lure Verstappen<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775748723\"> 09\/04\/26<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/si202512070361.jpg?aspect_ratio=1:1\" alt=\"Could Brown tempt Verstappen to join McLaren? \" loading=\"lazy\"><\/div>\n<div class=\"card card_default\">\n<div class=\"content\">\n<div class=\"links\">\n<div class=\"sections\"> F1  News <\/div>\n<\/div>\n<p>McLaren confirms Gianpiero Lambiase signing as Red Bull responds to shock exit<\/p>\n<div class=\"card-info\">\n<div class=\"time\" data-timestamp=\"1775743636\"> 09\/04\/26<\/div>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.crash.net\/2026-04\/xpb_1396596_hires.jpg?aspect_ratio=1:1\" alt=\"Verstappen will lose another key ally in Lambiase\" loading=\"lazy\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col second-column\">\n<div class=\"sticky\">\n<div class=\"block block-echobox\">\n<h2>Subscribe to our F1 Newsletter<\/h2>\n<div class=\"info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-info\" id=\"edit-info\">\n<p>Get the latest F1 news, exclusives, interviews and promotions from the paddock direct to your inbox<\/p>\n<\/div>\n<div class=\"extra-info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-legal\" id=\"edit-legal\">\n<p>For more information see our Privacy Policy<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"summary body\">\n<p>Everything you need to know about Additional Development Upgrade Opportunities &#8211; F1&#8217;s new rule for 2026.<\/p>\n<\/div>\n<div class=\"body\">\n<p>The 2026 Formula 1 regulations feature a new performance-balancing rule known as Additional Development Upgrade Opportunities or ADUO &#8211; here\u2019s what it means and how it works.<\/p>\n<p>ADUO is effectively a catch-up framework for power unit manufacturers who have fallen behind. The regulations set out three periods during the season with manufacturers judged to be between two and four per cent behind the class-leading engine awarded extra development opportunities for this year and next.<\/p>\n<p>It can be viewed as a type of Balance of Performance (BoP), however the onus is on the trailing manufacturers to close the gap, rather than the leading one being pegged back, as is the case in the World Endurance Championship.<\/p>\n<p>Power unit manufacturers found to be between two and four per cent adrift will be permitted one immediate change, with those over the four per cent threshold granted further concessions. These will include increased dyno time and more cost cap flexibility.<\/p>\n<p>While acting as a performance-balancer to prevent huge competitive gaps between the 11 teams being cemented for years to come, avoiding the kind of scenarios we saw back in 2014 amid the height of Mercedes dominance, ADUO does not provide opportunity for a quick fix.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cThe lead times on engine development are very long,\u201d Audi boss Mattia Binotto explained at the Japanese Grand Prix.<\/p>\n<p>\u201cWe have assessed, I believe, that most of the gap we got to the top teams is from the power unit, which is not unexpected. We knew that would have been the biggest challenge.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-b0ab7cc2753e4593103a5f6235e5b79449ec721b133f623442b8dfc902fad7d8\">  Lewis Hamilton returns to F1 track with Ferrari for crucial Pirelli test   F1 world champion\u2019s daughter makes her racing debut this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cAnd we have got a plan to recover. But engine development, especially when it comes to some concepts, can take longer. It&#8217;s not by chance that we have set 2030 as our objective [for competing for world championships].<\/p>\n<p>\u201cBecause we know that it will take long. And I think what we need now is to be patient as well. We are very ambitious and we would like to see things solved in a couple of races. But sometimes that&#8217;s not the case.<\/p>\n<p>\u201cSo I think we need to understand exactly where we are as a team, what are the plans. And as well, stick to the plans. Because miracles are not possible.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article_2\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-1a94b58e94ad33c0c94011bd06e992b2f3d1ce11384f4a7425a4fa79a9592cc4\">  Why Lance Stroll thinks winning is possible on his GT racing debut   Why Max Verstappen is not racing in NLS3 this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cWe are not here to create miracles. It&#8217;s not us. We cannot do that. But we are here to have proper plans to address and to improve in the future. And I think that&#8217;s also possible.\u201d<\/p>\n<p>Like Audi, Honda has a significant deficit to the front of the field when it comes to engine performance. The Japanese manufacturer is likely to be on course to receive maximum help after a disastrous start to 2026.<\/p>\n<p>&#8220;We are working hard to improve battery reliability but on the other hand, also in the Sakura factory, we are working hard to improve engine performance,&#8221; Honda&#8217;s lead F1 trackside engineer Shintaro Orihara said.<\/p>\n<p>&#8220;And also we are working hard to optimise energy management. That is a parallel work now. Also to develop engine performance, mechanically, is not a short-term job, so we keep working hard to improve engine performance in the background.<\/p>\n<p>&#8220;But we gathered a lot of data through the race distance [at Suzuka]. That gives us more, how to say, data to improve our drivability and also energy management. That gives us good data for the coming four weeks going to Miami.&#8221;<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>The first threshold period for assessment under ADUO was due to come after the sixth round of the season, which was originally scheduled to be the Miami Grand Prix on 3 May.<\/p>\n<p>However, following the cancellation of races in Bahrain and Saudi Arabia because of the Iran war, Miami will now be the fourth round of the 2026 campaign. As such, the date could be moved until Monaco in early June.<\/p>\n<p>A recent meeting of the F1 Commission was expected to determine exactly when this will be, but the periods for ADUO assessment will be set quarterly throughout the 2026 season.\u00a0<\/p>\n<aside>\n<div class=\"block block-echobox\">\n<h2>Subscribe to our F1 Newsletter<\/h2>\n<div class=\"info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-info\" id=\"edit-info--2\">\n<p>Get the latest F1 news, exclusives, interviews and promotions from the paddock direct to your inbox<\/p>\n<\/div>\n<div class=\"extra-info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-legal\" id=\"edit-legal--2\">\n<p>For more information see our Privacy Policy<\/p>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<div class=\"body\">\n<p>The 2026 Formula 1 regulations feature a new performance-balancing rule known as Additional Development Upgrade Opportunities or ADUO &#8211; here\u2019s what it means and how it works.<\/p>\n<p>ADUO is effectively a catch-up framework for power unit manufacturers who have fallen behind. The regulations set out three periods during the season with manufacturers judged to be between two and four per cent behind the class-leading engine awarded extra development opportunities for this year and next.<\/p>\n<p>It can be viewed as a type of Balance of Performance (BoP), however the onus is on the trailing manufacturers to close the gap, rather than the leading one being pegged back, as is the case in the World Endurance Championship.<\/p>\n<p>Power unit manufacturers found to be between two and four per cent adrift will be permitted one immediate change, with those over the four per cent threshold granted further concessions. These will include increased dyno time and more cost cap flexibility.<\/p>\n<p>While acting as a performance-balancer to prevent huge competitive gaps between the 11 teams being cemented for years to come, avoiding the kind of scenarios we saw back in 2014 amid the height of Mercedes dominance, ADUO does not provide opportunity for a quick fix.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cThe lead times on engine development are very long,\u201d Audi boss Mattia Binotto explained at the Japanese Grand Prix.<\/p>\n<p>\u201cWe have assessed, I believe, that most of the gap we got to the top teams is from the power unit, which is not unexpected. We knew that would have been the biggest challenge.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-b0ab7cc2753e4593103a5f6235e5b79449ec721b133f623442b8dfc902fad7d8\">  Lewis Hamilton returns to F1 track with Ferrari for crucial Pirelli test   F1 world champion\u2019s daughter makes her racing debut this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cAnd we have got a plan to recover. But engine development, especially when it comes to some concepts, can take longer. It&#8217;s not by chance that we have set 2030 as our objective [for competing for world championships].<\/p>\n<p>\u201cBecause we know that it will take long. And I think what we need now is to be patient as well. We are very ambitious and we would like to see things solved in a couple of races. But sometimes that&#8217;s not the case.<\/p>\n<p>\u201cSo I think we need to understand exactly where we are as a team, what are the plans. And as well, stick to the plans. Because miracles are not possible.<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"ins-related_content dsp-related_content_in_article_2\">\n<h2>Read More<\/h2>\n<div class=\"related-content-in-body js-view-dom-id-1a94b58e94ad33c0c94011bd06e992b2f3d1ce11384f4a7425a4fa79a9592cc4\">  Why Lance Stroll thinks winning is possible on his GT racing debut   Why Max Verstappen is not racing in NLS3 this weekend <\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>\u201cWe are not here to create miracles. It&#8217;s not us. We cannot do that. But we are here to have proper plans to address and to improve in the future. And I think that&#8217;s also possible.\u201d<\/p>\n<p>Like Audi, Honda has a significant deficit to the front of the field when it comes to engine performance. The Japanese manufacturer is likely to be on course to receive maximum help after a disastrous start to 2026.<\/p>\n<p>&#8220;We are working hard to improve battery reliability but on the other hand, also in the Sakura factory, we are working hard to improve engine performance,&#8221; Honda&#8217;s lead F1 trackside engineer Shintaro Orihara said.<\/p>\n<p>&#8220;And also we are working hard to optimise energy management. That is a parallel work now. Also to develop engine performance, mechanically, is not a short-term job, so we keep working hard to improve engine performance in the background.<\/p>\n<p>&#8220;But we gathered a lot of data through the race distance [at Suzuka]. That gives us more, how to say, data to improve our drivability and also energy management. That gives us good data for the coming four weeks going to Miami.&#8221;<\/p>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<aside>\n<div class=\"block\">\n<div class=\"mpu-block\">\n<div class=\"mpu-title\"><span>Article continues below<\/span><span>ADVERTISEMENT<\/span><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<p>The first threshold period for assessment under ADUO was due to come after the sixth round of the season, which was originally scheduled to be the Miami Grand Prix on 3 May.<\/p>\n<p>However, following the cancellation of races in Bahrain and Saudi Arabia because of the Iran war, Miami will now be the fourth round of the 2026 campaign. As such, the date could be moved until Monaco in early June.<\/p>\n<p>A recent meeting of the F1 Commission was expected to determine exactly when this will be, but the periods for ADUO assessment will be set quarterly throughout the 2026 season.\u00a0<\/p>\n<aside>\n<div class=\"block block-echobox\">\n<h2>Subscribe to our F1 Newsletter<\/h2>\n<div class=\"info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-info\" id=\"edit-info--2\">\n<p>Get the latest F1 news, exclusives, interviews and promotions from the paddock direct to your inbox<\/p>\n<\/div>\n<div class=\"extra-info js-form-wrapper form-wrapper\" data-drupal-selector=\"edit-legal\" id=\"edit-legal--2\">\n<p>For more information see our Privacy Policy<\/p>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<p>[analyse_source url=&#8221;http:\/\/crash.net\/f1\/news\/1092945\/1\/what-aduo-and-why-it-so-important-f1s-engine-balancing-system-explained&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.crash.net\/2026-04\/a260630_medium.jpg?width=1600&amp;aspect_ratio=16:9&#8243;] What is ADUO and why is it so important? F1\u2019s engine balancing system explained Everything you need to know about Additional Development Upgrade Opportunities &#8211; F1&#8217;s new rule for 2026. Lewis Larkam 11 Apr 2026 Share Audi is one team looking to benefit from ADUO Add as a preferred source The 2026 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[47,226],"class_list":["post-1878203","post","type-post","status-publish","format-standard","hentry","category-politics","tag-crash-net","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1878203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1878203"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1878203\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1878203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1878203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1878203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}