Pirelli confirmed that talks did take place previously regarding a rule to make all three compounds compulsory to use in a race. The Italian manufacturer have been Formula 1's exclusive tyre supplier since 2011, in that time introducing and decommissioning a range of different constructions. Since their arrival in the sport the instructions on the characteristics of the Pirelli tyres have differed, and in recent years there has been a desire for compounds that would create greater variation in race strategies. Often the number of pit stops a driver will make can be very predictable, with the rules stating that two of the three available slick compounds must be used in a dry race. But in...
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