This week, the FIA announced the approval of a completely revamped set of power unit regulations for 2026, which will see the amount of electrical power nearly tripled, while there’ll also be a switch to 100% sustainable fuels.

    To delve deeper into what exactly will be changing, F1 TV presenter Rosanna Tennant is joined by tech expert Albert Fabrega, with the pair breaking down each individual component in the current power units – and how that component will evolve under the 2026 rules.

    READ MORE: More efficient, less fuel, and carbon net zero – 7 things you need to know about the 2026 F1 engine regulations

    Hit play on the video above to discover how F1 cars are set to become as sustainable as they are thrilling in 2026.