The FIA has published the full verdict of its Court of Appeal ruling on Formula 1's controversial 'double-decker' diffuser row last week.

The sport's governing body met in Paris on 15 April to listen to the arguments of 'non-diffuser' teams Red Bull Racing, Renault and Ferrari against the innovative designs on the cars of world championship leaders Brawn GP, Toyota and Williams, which they believed to be illegal and in contravention of the top flight's regulations. The 'double-decker' diffuser is calculated to provide a lap time benefit of as much as half a second.

After hearing what the three plaintiffs had to say, the Court of Appeal resolved that the split-level diffusers are legal, meaning that the other seven teams have had to hastily begin work on their own new designs, with Renault the first to trial theirs over the Chinese Grand Prix weekend in Shanghai

To read the FIA's decision in full, click here


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