Lotus have confirmed on Friday that Luiz Razia and Davide Valsecchi will combine their 2011 GP2 Team AirAsia commitments with Lotus test roles. Razia will be the team's third driver and Valsecchi will be the outfit's test driver, joining race driver Heikki Kovalainen and Jarno Trulli in the team's line-up. Both are expected to take part in a number of Friday practice sessions during 2011.

Mercedes GP's Michael Schumacher ended Friday on top of the timesheets as this week's final pre-season test continued at Barcelona's Circuit de Catalunya. Schumacher's best at the Spanish circuit, a 1m 21.249s, was over three-tenths of a second quicker than second-placed Fernando Alonso in the Ferrari. With Schumacher's team mate Nico Rosberg in third, it was a good day all round for Mercedes GP. Schumacher completed the majority of the team's programme as they added further new aerodynamic parts to their upgrade package

With the start of the new season fast approaching, Formula1.com is pleased to confirm that it will again be offering registered users its free and highly-acclaimed mobile app, with an Android version and a push notification service among the new features for 2011. The Formula1.com 2011 application, in association with Vodafone, will bring live timing data direct to your phone from every session of the Grand Prix weekend, allowing you to track the progress of every driver, from their position and lap times to their sector times and lap count.

HRT became the final team to reveal their 2011 car on Friday as they took the wraps off the F111 in the pit lane of Barcelona's Circuit de Catalunya during this week's final pre-season test. The Spanish team's recently completed line-up - Narain Karthikeyan and Vitantonio Liuzzi - were both in attendance as the new machine was unveiled to the assembled media...

Sauber's Sergio Perez has ended Red Bull's two-day reign at the top of the timesheets after setting Thursday's quickest time in testing at Barcelona's Circuit de Catalunya. Perez posted a best lap of 1m 21.761s as this week's final pre-season session continued at the Spanish track. With McLaren and HRT not in action, ten of Formula One racing's 12 teams were out on track. Perez's fastest time was over three-tenths of a second quicker