Williams will only decided on Saturday whether or not to race their new exhaust system in Sunday's Chinese GP... read more »

Williams split its programme in second free practice on Friday. As Pastor Maldonado managed 12th spot in Shanghai’s afternoon period, team-mate Rubens Barrichello experimented... read more »

Sam Michael says Williams have yet to decide whether they will use KERS in Australia after experience several problems in testing... read more »

Pirelli is yet to decide how it will differentiate its softer, Option compound tyres from the harder Primes over the course of race weekends throughout the 2011 season, with... read more »

New Formula 1 tyre supplier Pirelli is yet to confirm how it will mark the softer of its two compounds over the course of a Grand Prix weekend next season, with Bridgestone... read more »