11:24 – Pirelli Racing Manager Mario Isola says he doubts that Formula 1 will ever return to competition between two tyre manufacturers, citing increased costs and performance variation.

Formula 1 has had a tyre war at various stages through its history, most recently when Bridgestone and Michelin traded honours between 2001 and 2006.

However, Michelin’s withdrawal at the end of 2006 left Bridgestone as the sport’s sole supplier, a mantra which fell to Pirelli when it replaced the Japanese company for 2011.

Pirelli’s current deal runs through 2019 and Isola does not expect Formula 1 to revert to a tyre war when the next contact cycle begins.

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