Cosworth has continued pre-season preparations with two of its customer teams in action at the Circuito de Jerez this week, while today a truly historic F1 pairing was officially reunited with the launch of the Lotus-Cosworth.

Toro Rosso's Jaime Alguersuari topped the timesheets on the third day of testing as continuous rain from mid-morning onwards restricted running and compromised programmes.

Sebastian Vettel drove a Formula 1 car in anger on Friday for the first time since winning the season-ending Abu Dhabi Grand Prix just under fifteen weeks ago. However, conditions at Jerez were far off those of the Arabian Gulf in November as rain saturated the Spanish track in the afternoon.

The revealing of the Lotus T127 meant more to Mike Gascoyne than unveiling one of his many Formula 1 designs, as the Englishman hails from the same county as the legendary squad, which - under its first guise as Team Lotus - was formed by the late Colin Chapman in 1954.

The new Lotus team unveils the car that will bring the famous brand back to Formula 1 for the first time in 15 years.

The Lotus brand returns to Formula 1 this year with two race winners on-board in Jarno Trulli and Heikki Kovalainen. Having both switched from large organisations, Toyota and McLaren respectively, the duo are both prepared for an all-new task in 2010.

Lotus Racing unveiled its 2010 challenger, the Lotus Cosworth T127, at London's Royal Horticultural Hall this afternoon.

The 1Malaysia team has launched the first Lotus Formula 1 car for 16 years in a presentation at London's Royal Horticultural Hall on Friday evening. Race winners Jarno Trulli and Heikki Kovalainen spearhead the line-up as the T127 model was launched in a traditional yellow and British racing green colour scheme.                 

Virgin Racing's misery continued today with Lucas di Grassi forced to spend much of the session watching from the sidelines.

Although the poor conditions were bad news for all teams at Jerez on Friday, scampering any chances of comparing dry track conditions with data predictions, Vitaly Petrov was handed the chance of driving a Formula 1 car in wet conditions for the second time this week.

Nick Wirth freely admitted that the weather conditions at Jerez were a source of much frustration at Virgin Racing on Friday as, following repairs after the car's front wing mounting broke on Thursday, heavy rain prevented the new team from collecting any sizeable amount of useful data.

Formula 1 amends its ban on in-season testing following controversy over Michael Schumacher's abortive return for Ferrari last year.

Jaime Alguersuari has finished atop the final Friday classification at Jerez after another heavy rainstorm hit the Spanish circuit in the afternoon. With dry times having been posted earlier on, Pedro de la Rosa was second for Sauber as Adrian Sutil made the top three on his first day of testing in 2010.

Mark Webber is hopeful of a strong season after a "very positive" first test of the new Red Bull

Silverstone undergoes a multi-million pound revamp ahead of this year's British Grand Prix, with the new Arena circuit layout being the biggest attraction. However, Damon Hill - 1996 Champion and Chairman of the BRDC, the committee which owns the venue - believes money is not being best spent in the most efficient of ways.

On the third day of testing at Jerez de la Frontera running has been limited as weather conditions take a turn for the worse.

Damon Hill criticises the new Silverstone layout, plus other rumours.

Exclusive Media Group (EMG) has begun producing a feature-length documentary on the history of Formula 1 racing, which is scheduled for cinema release in the spring of next year. The moving picture will describe the sport from Silverstone 1950 to Abu Dhabi 2009 plus more, including interviews with leading personalities.

The FIA has issued an updated version of the 2010 Sporting Regulations, which sees a number of changes to the original version.

Motorsport names Jenson Button, Ross Brawn and Valentino Rossi have all been selected as nominees ahead of this year's prestigious Laureus World Sports awards ceremony. The former Brawn GP colleagues are up for gongs in the Breakthrough and Team of the Year prizes, respectfully, with the Italian listed for the main honour.

Formula 1 governing body the FIA has revealed that electronically-operated jacks for use in the pit lane are no longer permitted, meaning mechanics of all teams are now obliged to lift cars in the traditional, more physical manner.

Formula 1 Grand Prix stewards are presented with a number of options for punishing unruly drivers over the course of a Grand Prix distance, with in-race or post-race penalties both being possible. We explain how the system works.

Formula 1 governing body the FIA has announced several changes in the new sporting and technical regulations, released on Friday. From 2010 onwards, drivers can be handed a 10-place grid penalty for use of a second extra engine on one weekend, which will be applied for the next Grand Prix.

Having completed a race simulation programme and posted the sixth best time of the day, Michael Schumacher looked as fresh as he ever did yesterday evening. However, he's confused by the reaction from his fellow drivers following his return to the cockpit

Kimi Räikkönen has finished eighth in the opening superspecial stage of this year's Rally Sweden, the first event of the season and therefore the Finn's debut outing for the Red Bull Junior Team.

Virgin Racing's Thursday setback at Jerez has resulted in a further hold-on on Friday, with the squad originally known as Manor GP now having to miss out on all morning running as front wing modifications are carried out. The work comes after the mounting broke on Timo Glock's car yesterday.

Bernie Ecclestone and Jean Todt have said that the Concorde Agreement allows teams to miss three races. The last thing we expected was for the FIA to deny this. Pitpass' business editor Chris Sylt explains what is really going on.

Teams are standing by with wet weather tyres in Jerez on Friday as this week's test moves into the third of its four days. With Nico Rosberg having led on Wednesday and Kamui Kobayashi yesterday, anything can happen as weather forecasts predict heavy rain showers and maximum ambient temperatures of just 6°C (43°F).

The Lotus team will officially unveil its 2010 car in London on Friday as the legendary name returns to Formula 1 for the first time since 1994. The contender, which is yet to be named publically, enjoyed a successful first track outing in the hands of test driver Fairuz Fauzy on Tuesday.