Pirelli warns it won't be able to supply 2014 tyres without more winter testing
Hembery says tyre supplier would "like some common sense" shown
Saturday 26 October 2013 06:56, UK
Pirelli has renewed its public pressure on Formula 1 to allow it to complete more testing ahead of the 2014 season, warning it won't be able to produce tyres without more track running.
