Customers are entitled to a fuel discount of 4c per litre or 8 bonus Flybuys points per litre at Coles Express when they spend over a qualifying amount in one transaction at Coles Supermarkets, Coles Central, or Coles Online. The discount can be obtained by providing a voucher at the bottom of their receipt and includes all Shell fuels. Coles Express also offers a 10c per litre discount on all Shell fuels when a customer spends $20 or more on qualifying products in-store.