From 15 Feb to 16 Apr 2017, receive one voucher for every $40 you spend on Synergy™ fuel, or two vouchers for Synergy Supreme⁺ petrol at Esso. Simply collect two or more vouchers to redeem treats from Udders Ice Cream, The Soup Spoon and PastaMania. The more vouchers you collect, the more treats you receive. Fuel up on tasty treats at Esso today! While stocks last. T&Cs apply.