Ferrari have opted to cancel the official unveiling of their 2012 car because of heavy snowfall in Maranello. The launch ceremony was due to take place in Italy on Friday morning.

Ferrari has been forced to call off Friday’s launch presentation of its 2012 Formula 1 car. The Scuderia had planned to present its new contender to the media before several demonstration laps were carried out for filming at Fiorano, although Maranello and its surrounding area has been bit by heavy snow.

Ferrari has cancelled the launch of its 2012 contender due to heavy snowfall at Maranello

Speaking at the launch of McLaren's new car for 2012, Lewis Hamilton tells BBC Sport's Jake Humphrey he has "matured" following a difficult 2011 season and "nothing else matters" apart from winning his second world championship. (UK only)

Following what he described as his worst year ever, Lewis Hamilton is looking forward to 2012 with relish, insisting he's fully focussed on the job in hand.

Chevrolet has withdrawn its involvement from the British Touring Car Championship as a works manufacturer, preferring to concentrate on defending its World Touring Car titles. The team has been run by RML (Ray Mallock Ltd), which managed to clinch three drivers' titles in 2010 across the LMP2, BTCC and WTCC championships.

Lewis Hamilton says he has put last season's problems behind him, and is confident of success in the new campaign.

Wednesday's launch may have been our first opportunity to glimpse the new McLaren, but it was also the first time either of the British team's drivers had properly laid eyes on the brand-new MP4-27. After ripping the wraps off their shiny new charge, Jenson Button and Lewis Hamilton revealed their first impressions, looked ahead to next week's debut test and explained why they couldn't wait to get back behind the wheel after a winter of relaxation…

Lewis Hamilton was protected by McLaren when quizzed over Adrian Sutil’s comments on Wednesday. Yesterday, the ex Force India driver, a long-time close friend of the 2008 World Champion, branded the Englishman a ‘coward’ for not attending his court hearing in Germany.

A recovered Casey Stoner led the way as MotoGP testing continued in Malaysia on Wednesday. The reigning World Champion had been forced to sit out with an injured shoulder 24 hours earlier, although today the Honda rider topped the timesheets from Yamaha pairing Ben Spies and Jorge Lorenzo plus team-mate Dani Pedrosa.