Jarno Trulli was gracious on Friday, with his Formula 1 career having ended as Caterham confirmed that he had been replaced for the 2012 season by Vitaly Petrov. read more »

Mark Webber says it will be important for Red Bull to "understand the losses" in performance due to the new exhaust regulations read more »

Williams had to live through the disappointment of its worst ever season in Formula 1 if it was to fully understand what changes are needed to move it further up the grid. read more »

Eric Boullier says he doesn't understand comments from Daniele Morelli arguing against Renault's statement on the future of Robert Kubica read more »

Steve Sexton says he doesn't understand why Bernie Ecclestone believes getting the United States GP in Texas off the ground is proving to be a struggle... read more »

Having said he didn t understand why he was penalised in India, following the contact with Lewis Hamilton, Felipe Massa has now said their relationships is like 'some sort... read more »

Felipe Massa has said he doesn t understand why he was penalised following the incident with Lewis Hamilton today in the inaugural Indian Grand Prix. read more »

Felipe Massa cannot understand why he was penalised for his accident with Lewis Hamilton at the Indian Grand Prix and insists that does not hold a grudge against the McLaren driver read more »

Felipe Massa says he cannot understand why the Indian Grand Prix stewards chose to give him a drive-through penalty for his collision with Lewis Hamilton read more »

Felipe Massa, who spoke some 90 minutes after the race, says he doesn't understand why the stewards chose to penalise him for his coming together read more »

Michael Schumacher was unable to explain why he was so much slower than his Mercedes team-mate, Nico Rosberg today in qualifying for Sunday's inaugural Indian Grand Prix. read more »

Michael Schumacher said he could not understand why he was getting vibrations on his set of soft Pirelli tyres during his final qualifying run in Q2 that saw him miss out on Q3 read more »

Karun Chandhok says he can understand why Lotus has elected to stick with its regular drivers for the Indian Grand Prix, leaving him disappointed at missing out... read more »

Rubens Barrichello thinks it is vital that Williams gets an understanding of why this year's car did not perform if it is to ensure that its 2012 challenger is a big step... read more »

Vitantonio Liuzzi: “For Korea we need to strike back a bit after encountering a couple of complicated races. We have to understand all the issues read more »

Jenson Button conceded it was hard to understand why Red Bull's Sebastian Vettel was so quick in qualifying for the Italian Grand Prix. read more »

Fernando Alonso says Sebastian Vettel has proved himself to be "a great champion" and that he doesn't understand why the championship leader gets criticised. read more »

Vitaly Petrov, 24th: "FP1 was a difficult session with too much water on track, which meant it was difficult to understand how the car’s new read more »

Sebastian Vettel has called on his team to understand why McLaren has beaten Red Bull at the last two races read more »

Vitaly Petrov has called on his Renault team to understand why the likes of Sauber and Force India are finishing ahead of it, after he struggled to tenth at the German Grand Prix read more »

Bernie Ecclestone's admission to Pitpass' business editor Christian Sylt has attracted worldwide media coverage but some reporters don't yet seem to understand... read more »

Vitantonio Liuzzi, 22nd: "Overall, the afternoon was a good session. I focused a bit on everything. It's important to understand the tyres and how they read more »

McLaren Team Principal Martin Whitmarsh has expressed a desire to exploit the potential gains of future technologies, explaining that it is of great importance for the future... read more »

Sebastian Vettel said the wet conditions on Friday made it difficult to understand the full effect of the ban on off-throttle blown diffusers at the British Grand Prix, but is... read more »

Mark Webber believes he has a good chance of victory at the British Grand Prix next weekend, but is concerned he does not fully understand his recent fluctuation in form read more »