New Zealand could go back to rationing fuel - like we did in the Muldoon era - if our fuel stocks run dry. 

Crude oil prices are increasingly unstable - with war in the Middle East choking the vital transit route through the Strait of Hormuz.

The Government isn't ruling out car-less days, limits on petrol sales, or the use of fuel coupons.

AA Fuel Spokesperson Terry Collins told Ryan Bridge it's good we have a plan, but we ideally wouldn't have to use it, as it would be hugely disruptive.