
British driver Lewis Hamilton, of McLaren team, signs autographs during a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

Swiss driver Sebastien Buemi, of Toro Rosso team, takes part in a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

Belgian driver Jerome D'Ambrosio, of Virgin team, takes part in a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

Russian driver Vitaly Petrov, of Lotus-Renault team, takes part in a pit stop drill during a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

German driver Nico Rosberg, of Mercedes team, takes part in a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

F-1 World Champion, German driver Sebastian Vettel (L) of Red Bull team, signs autographs to two fans during a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA

Brazilian driver Felipe Massa (c), of Ferrari team, takes part in a team's training session at Circuit de Catalunya track on 09 March 2011 in Montmelo, outside Barcelona, northeastern Spain to prepare the upcoming Formula One World Championship. EPA/ALEJANDRO GARCIA