Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light.<br>German outlet Motorsport Magazin revealed that some engine manufacturers have sent a request for clarification to the FIA regarding the compression ratio, one of the parameters changed in the 2026 ...<a class='more' href='https://www.autosport.com/f1/news/mercedes-and-red-bull-under-scrutiny-over-f1-2026-engine-compression-ratio/10785906/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>