F1 teams unlikely to find “silver bullet” in new rules

Since the new rules were first announced there has been speculation about the possibility of a savvy competitor matching what Brawn’s own eponymous outfit did in 2009.

That year Brawn GP introduced the controversial double diffuser and enjoyed a huge advantage in the early part of the season.

Brawn said he couldn’t guarantee that loopholes had not been left open, but he remains confident that “robust” regulations have made it less likely.

“You don’t know about silver…