Nancy Knapp Schilke
Mercedes has vowed to stick with Michael Schumacher as the F1 legend continues his recovery from a skiing fall last December.
F1 protagonists are against the idea.
Alain Prost gave Mercedes crucial advice early this year to help avoid a repeat of his troubled pairing with Ayrton Senna in the late 80s.
F1's current engine regulations could push manufacturers out of the sport and convince others not to press ahead with projects in the future.
An extreme proposal to equalise engine performance in F1 does not even have the support of Renault works team Red Bull.