After a fairly stable price over the festive season, ZERA announced new prices for the start of the weekend. Prices have now increased to a maximum of $19.55 & $18.28 for diesel and petrol respectively. This represents an increase of $1.65 for diesel and $0.84 for petrol. In addition to the increased prices ethanol blending has been reduced to E5. Check out our article on ethanol blending to learn more about how that affects your vehicle here.