Formula One Robert Kubica 's return with Vitaly Petrov has been delayed . Renault had been hoping the Polish driver would be fit for the start of last February . But Australia has not fully recovered from serious arm injuries sustained in a rally crash .
Robert Kubica 's Formula One return with Renault has been delayed . Renault had been hoping the Polish driver would be fit for the start of the 2012 season . But Kubica has not fully recovered from serious arm injuries sustained in a rally crash .