F1's 2026 power unit regulations represent the sport's biggest engineering shake-up in years — and the effects are already showing on track. In this edition of Autosport Explains, Jake Boxall-Legge sat down with Powertrains Engineer Estanis Buigues Mahiques to break down what's actually changed: a weaker combustion engine, tripled electric output, the death of the MGU-H, and a new energy ...<a class='more' href='https://www.autosport.com/f1/news/autosport-explains-video-the-engineering-challenges-of-f1s-new-power-unit-rules/10806057/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>