Against a background of much rancour over Formula 1 power units, and which manufacturer has identified what particular loophole in the phrasing of the rules, one thing all the teams agree on is that the cars on the grid in Abu Dhabi will look very different from those which are due to line up in Melbourne next week.<br>What’s rather less certain is the pace of that change process, since shipping ...<a class='more' href='https://www.autosport.com/f1/news/why-one-of-the-biggest-challenges-in-upgrading-2026-f1-cars-isnt-technical/10800247/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>