Petrol and diesel consumption 'dropped by a fifth'
Petrol and diesel consumption has dropped by a fifth since the start of the credit crunch, according to a new analysis by the Office of National Statistics.
Petrol set to drop over next 2 weeks Updated: 16:54, Monday April 23, 2012 Motorists should see petrol prices fall by up to four cents a litre in the next fortnight following recent falls in regional oil prices.