Asda sparks fuel price war by slashing pump costs by average 4p per litre

Supermarket giant Asda has cut petrol and diesel prices by average 4p a litre at more than 320 forecourts across the country, bringing savers for motorists reeling from the sky high cost of filling upAsda says pump prices have been cut by an average 4p a litre at 321 of its forecourts(Image: Getty Images)