McLaren boss Andrea Stella previously outlined three major concerns with the 2026 Formula 1 power unit rules and he has since revealed a fourth issue entered the mix.
This year F1 is introducing a completely new set of regulations with one of the changes concerning the power unit, which is now more reliant on electrical energy. That should significantly change the style of racing in 2026, as battery harvesting will now play a greater role in grands prix, but there are concerns which come with this.
