Explained: what Technical Directive TD45 is amid F1 loophole and impact on 2024 season

The Technical Directive TD45 is described by the FIA as both a technical directive and a cost cap admin clarification which addresses the issue of non-F1 activities costs. We take a detailed look at Technical Directive TD45 in this video, as many of the top teams have non-F1 engineering divisions – notably Ferrari, Mercedes, Red Bull, Aston Martin and McLaren.

— see video above —