HRT today revealed the F112 that will be driven by Narain Karthikeyan and Pedro de la Rosa in 2012. The car was revealed at the Circuit de Catalunya in Barcelona.

Marussia today revealed their first car under their new guise, with the MR01 launched by drivers Timo Glock and Charles Pic at Silverstone.

Mercedes have revealed the car Nico Rosberg and Michael Schumacher will drive in 2012, in the pitlane ahead of today’s first day of testing in Barcelona.

Bruno Senna and Pastor Maldonado have unveiled the car they’ll be driving the 2012 season, with the Williams FW34 launched on the morning of the opening test of the season.

Toro Rosso are the third and final team to unveil their 2012 car today. The STR7 was unveiled by Daniel Ricciardo and Jean Eric Vergne; the team’s revamped lineup for 2012.

Red Bull have today revealed the car that they have produced to try to defend their Drivers’ and Constructors’ Championship titles in 2012 – the RB8.

Sauber’s Kamui Kobayashi and Sergio Perez have today revealed the C31, in which they will contest the 2012 season. The car was launched at the Jerez test circuit in Spain.

Lotus have revealed their 2012 challenger, the E20 – named after Enstone, where the team is based.

Ferrari have unveiled their new car, the F2012, at a rather snowy Maranello. The adverse weather caused the team to cancel their unveiling event and shakedown run on the Fiorano circuit.

Force India have today revealed their 2012 car, the VJM05, at Silverstone. Drivers Paul di Resta and Nico Hulkenberg were joined by reserve Jules Bianchi as the car was unveiled for the first time.