Pirelli tyres are pictured at the Hungaroring circuit in Mogyorod, near Budapest, in this July 25, 2013 file photo. Pirelli can continue as Formula One's sole tyre supplier next season, the governing ... more 
Pirelli tyres are pictured at the Hungaroring circuit in Mogyorod, near Budapest, in this July 25, 2013 file photo. Pirelli can continue as Formula One's sole tyre supplier next season, the governing FIA said on September 27, 2013 in a statement that also raised the possibility of a single fuel provider in future. REUTERS/Bernadett Szabo/Files (HUNGARY - Tags: SPORT MOTORSPORT F1) less 
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Reuters | Photo By BERNADETT SZABO / REUTERS
Sat, Sep 28, 2013 1:55 AM EDT