McLaren team boss Andrea Stella has urged Formula 1 to agree to several refinements to the 2026 power unit rules to improve the show and general safety.
F1's shift to power units with a much bigger electric component, close to 50% of the total power output, has caused trepidation for many months. But as cars finally hit the track in anger at Barcelona's shakedown and Bahrain's official first pre-season test, it has emerged that there are three main outstanding issues that are causing the teams and drivers the biggest headaches.
