With the stewards approving the new diffuser design, no surprisae that Brawn, Williams, and Toyota lead the field after the first day of practice in Melbourne. A thorny issue that will drag on for some time even if Toyota, Williams and Brawn in all lilelihood do not have the expereince to actually pull off a win in full race trim, yet time will tell. As it always does, F1 2009 promise to be an exciting season. More from CBC

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