'Secret undercover footage' has been released of the brand-new, Cosworth-powered Williams FW32, which was on-track at Silverstone on Thursday in order to film a team video. Newcomer Nico Hülkenberg was behind the wheel as the Grove outfit prepares for official pre-season testing in Valencia on Monday.

McLaren launched the car with which it hopes to race to this year's championship title on Friday. As World Champion Jenson Button joins the Woking team alongside fellow countryman and title predecessor Lewis Hamilton, the covers were taken from the brand-new MP4-25 at Vodafone House in Newbury.

February is Formula 1's only month for pre-season testing and this year will see all running take place in Spain. Valencia kicks off proceedings on Monday for the first three days as a selection of this year's cars take to the track for the first time.

Lewis Hamilton claims that it was he who suggested that McLaren recruit Jenson Button for its 2010 world championship campaign.

McLaren driver Lewis Hamilton has countered suggestions he was not happy to see his team sign up Jenson Button to become the Briton's team-mate at McLaren in 2010. Hamilton revealed on Friday he even told McLaren team principal Martin Whitmarsh the team should even consider Button to become his team-mate in 2010.

McLaren driver Lewis Hamilton has countered suggestions that he was not happy to see his team sign up fellow Champion Jenson Button for 2010. Furthermore, the Stevenage man revealed on Friday that he in fact advised McLaren Team Principal Martin Whitmarsh to offer the second seat to his compatriot.

Last week 'the usual suspects' claimed that Nick Heidfeld was off to Mercedes as reserve driver, then we were told he was heading to McLaren. So which team are they going to link him with next?

A brief chat with Valtteri Bottas, Williams newly confirmed test driver

McLaren Team Principal Martin Whitmarsh believes Formula 1's debutant teams for 2010 made a mistake in not buying up Toyota's equipment when the Japanese car giant pulled the plug on its F1 project at the end of last season. Instead, the components were sold to Serbian hopefuls Stefan GP.

The McLaren team does not expect another quarrel over the legality of double diffusers as new teams begin to present their 2010 cars. With the McLaren MP4-25 revealed on Friday, Paddy Lowe believes all teams now hold a firm knowledge of the regulations.