Tyres are back in the spotlight this week, as Formula 1 chiefs meet to discuss the future of the sport. Adam Cooper analyses the tyre rules proposals and their viability.
Pirelli boss Paul Hembery is expecting a much faster field of 2015.
Pirelli and the FIA have renewed their Formula One tyre supply contract.
Pirelli boss Paul Hembery claimed that "some teams went against our recommendations".
Formula One drivers continue to complain and worry about the Pirelli tyres, and now Perez adds his thoughts after the Korean Grand Prix.
It appears that Michelin has been preparing to return to Formula One