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Win two signed Jenson Button mini crash helmets!

CAR has teamed up with McLaren sponsor Santander to bring you the chance to win one of these ace souvenirs – plus loads more prize opportunities including tickets to next year's British Grand Prix. To win one of the helmets simply answer this question: In which year was Jenson Button crowned F1 World Champion? Click here to enter For more great prizes – including signed merchandise from Lewis and Jenson, VIP tours of McLaren's HQ and 2012 weekend GP tickets  – click on the link below and check out the Competitions tab on Lewis and Jenson's Facebook page.

2014 Jaguar XJ updates announced

The 2014 Jaguar XJ (pictured) gets a number of updates Updates come along every year for cars as manufacturers look to keep up with the competition. But the updates for the 2014 Jaguar XJ are perhaps more relevant this year with the arrival of the new Mercedes S-Class, as Jaguar try to keep the now ageing XJ an attractive offering. But Jaguar have concentrated more on the feel than the look of the XJ with its 2014 upgrades, so there are no real cosmetic differences.

GM envisions future city car with EN-V concepts

The city car of the future will seat two people, run on electric power and communicate with other vehicles to reach a destination faster while automatically avoiding traffic tie-ups and crashes. General Motors, working with electric-scooter maker Segway, has developed three concepts tailored toward that vision of future transportation. The Electric Networked Vehicle, or EN-V, concepts go on display May 1 at the World Expo in Shanghai.