Cheapest I have seen in brisbane is $1.18 after 8c so that would be 96c a litre.
As per website:
To save 20 cents per litre off fuel purchase any 2 participating products or to save 30 cents per litre on fuel purchase any 3 participating products in a single transaction at Woolworths Supermarkets between Wednesday 24th April, 2013 and Sunday 28th April, 2013. Offer is not available at Woolworths Liquor / BWS or CALTEX WOOLWORTHS outlets. Purchases of Gift Cards (including iTunes cards) and “Smoking/Tobacco product and accessories” purchases are excluded from the qualifying amount. Surrender your fuel saving docket or present your Everyday Rewards card (not applicable in TAS) at any CALTEX WOOLWORTHS co-branded fuel outlet to receive your fuel discount. Fuel discount valid for 28 days after purchase. Discounts not available on purchases of LPG at designated CALTEX WOOLWORTHS co-branded outlets or on any Caltex Starcard purchases. Woolworths Limited reserves the right to at any time suspend or terminate this offer. Regular fuel discount docket conditions apply. This offer is not available at Woolworths Mildura Langtree or Mildura Centre Plaza.
How much are the 24 packs currently?