The census revealed that in 2011, the majority of 16 to 74-year-olds drove a car or van to work - 58% or 15 million - while a further 5%, or 1.4 million, travelled to work as a passenger in a car or van.
There are five drivers -- Max Chilton and Jules Bianchi of Marussia, Sauber's Esteban Gutierrez, Valtteri Bottas of Williams and Van der Garde of Caterham -- who joined F1 in 2013 with limited experience of driving an F1 car.