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Testing underway:

Formula One returned to action on Tuesday morning at the Barcelona circuit for the first test of the pre-season, less than a month after the end of the 2007 season. All teams got their preparations underway at the Spanish circuit, where seven-time champion Michael Schumacher stole the show as he returned to proper Formula One action for the first time since his retirement from the sport. The German took to the track early in the morning, carrying out testing work with the Ferrari F2007. Meanwhile, Frenchman Sebastien Bourdais began life as an official Toro Rosso driver, while the new Force India squad made their track debut, with a revised livery, and with Giedo van der Garde and Roldan Rodriguez at the wheel. Andreas Zuber made his Formula One debut when he tested the 2007 Honda, with Briton James Rossiter taking to the track in an hybrid car from the Japanese squad. The Super Aguri team appear to be testing with Honda's 2007 car, with Anthony Davidson at the wheel of a mainly white machine. Kazuki Nakajima is in action for Williams, while BMW are using racing drivers Nick Heidfeld and Robert Kubica. McLaren are testing with Pedro de la Rosa and Gary Paffett. Other drivers included Red Bull's David Coulthard and Karun Chandhok, Renault's Heikki Kovalainen, Toyota's Franck Montagny and Jarno Trulli, and Ferrari's test driver Luca Badoer.