Two-time world champion Alonso rejoins McLaren , the stable he left in 2007 . Fernando Alonso , the double world champion who recently left Ferrari , will rejoin McLaren for the 2015 season , which gets underway in March . Alonso will be partnered by Jenson Button , retained above rookie Kevin Magnussen . McLaren chairman Ron Dennis labels the duo 'the best driver lineup ' of any F1 team . - The FIA announces that it has opened an investigation into claims made against Sebastian Vettel and Ferrari over their use of a banned fuel additive during last year's Malaysian Grand Prix.
Two-time world champion Alonso rejoins McLaren , the stable he left in 2007 . Alonso will be partnered by Jenson Button , retained above rookie Kevin Magnussen . McLaren chairman Ron Dennis labels the duo 'the best driver lineup ' of any F1 team . - The FIA announces that it has opened an investigation into claims made against Sebastian Vettel and Ferrari over their use of a banned fuel additive during last year's Malaysian Grand Prix.