Honda's Formula 1 technical director Toyoharu Tanabe says he only wants a "fair" battle with rival engine manufacturers in the wake of suspicions over the legality of Ferrari's design.
Peugeot has announced plans to return to the top flight of endurance racing in 2022 with a hypercar programme in the FIA World Endurance Championship and Le Mans 24 Hours.
Sebastian Vettel believes dealing with Ferrari team orders in Formula 1 is different to Red Bull's Multi 21 controversy, but think drivers should still "stand up for yourself" if necessary.
Lewis Hamilton won the 2019 title with two races to spare, continuing Formula 1's drought of title deciders. The series would be justified in tweaking its points system to help matters.