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Unlike the blown diffusers used by rivals, the intention was for the R31 to develop more grip towards the middle of the car.
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Renault took a bold step with a unique forward-facing exhaust on their car. They picked up a total of 66 points in the first half of the season but have managed to score just six since then, with Vitaly Petrov forced to apologise after the recent Abu Dhabi Grand Prix where, having finished one lap down in 13th place, he criticised the team in a post-race interview.
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