Pirelli have threatened to revert to supplying "conservative" tyres that ensure one-stop races in 2014 if Formula One's teams and ruling body fail to legislate for an alternative before next season. Pirelli chairman Marco Tronchetti Provera met commercial ringmaster Bernie Ecclestone in Abu Dhabi two weeks ago to make it clear that if the sport wants to retain variable and intriguing tyre strategies next season it should write it into the regulations. According to motorsport director Paul Hembery, Pirelli has lost patience with facing criticism whatever it does - a situation that has arisen this season - and will in future only do what is required by the rules. Speaking ahead of...
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