Pirelli's greatest challenge since becoming Formula 1's sole tyre supplier in 2011 has been to reconcile its brief - to deliver tyres whose performance drops off... read more »

McLaren operations director Piers Thynne has described how the team is overcoming a "multifaceted" acid test provided by F1's new regulations combined with the... read more »

The Bahrain Grand Prix was set to be a good acid test of the new F1 as it is generally one of the tracks with the most overtaking and we've seen strategy play a key part... read more »

Sebastian Vettel feels this weekend's Spanish Grand Prix will provide the acid test as to whether Ferrari will keep pace with Mercedes through to Formula 1's summer break read more »

Lewis Hamilton believes that the British Grand Prix will be the acid test for Mercedes' progress with its tyre issues read more »

After Ferrari's win in Valencia, Silverstone will provide the acid test for leaders Red Bull and could be a defining moment for McLaren read more »

With the Korean GP promising to be an acid test for McLaren's ailing F1 2010 title hopes, Lewis Hamilton concedes podiums will no longer be enough to stop a rampant Red... read more »