Williams not interested in adopting Haas-style model in F1

The Grove-based squad has long believed that its best chances of success in grand prix racing come from it being fully independent.

But while its decision from the start of last year to take a Mercedes gearbox, rather than produce its own, marked a big departure from its policy of the past, the team says that it will not make any further steps in the direction of becoming a customer team.

Although Haas’ growing competitiveness in F1 has shown the benefits that can…