"Save 10 cents per litre on up to 50 litres when you spend $40 or more on petrol or diesel at participating Caltex locations – swipe your card and choose to accumulate or redeem instantly."
Well, I'm surprised no one's posted this yet. Perhaps too many 10c deals??
More like too many 8c supermarket discount vouchers (with no min. fuel spend) floating around. I think I have about 8x copies in my car at the moment!