This just started today in tynemouth store its not on in every branch of morrisons but a lot of them. You spend £40 in store excluding saving stamps , mobile topups, gift vouchers, cashback, tabbaco, lotttery,photo printing, dry cleaning, pharmacy, cafe and petrol. You are then given a voucher that entitles you to 5p off a litre of petrol upto a maximum of 100 litres. the offer is on until 6th september nd vouchers are valid until 13th. You must have an itemised receipt for over £40 with the voucher.