F1 EXPLAINED: How will the F1 power units change in 2026?

New power units, 100 per cent sustainable fuels, super-efficient active aerodynamics: Formula One is accustomed to technical change, but the direction it will take in 2026 is nothing less than revolutionary – very much the lesser trodden path. Aston Martin's Executive Director - Technical Bob Bell explains how the power units will differ from the current technology.