Nick Toscano, Mike Foley, Shane Wright Australian motorists could start seeing relief at the petrol pump within the month as a global oil price collapse raises hopes that fuel costs have finally peaked, so long as the Middle East ceasefire successfully restores the flow of energy exports from the region. News that Iran and the United States had agreed to a last-minute ceasefire agreement , avoiding a worst-case military escalation, sent oil prices falling sharply on Wednesday.