27 minutes ago

Brent crude is now trading at US$84 (NZ$143) a barrel.

Good news for Kiwi motorists could be on the way, with Westpac economists estimating the price of petrol could soon fall back under $3 a litre for 91, if the Iran-US peace deal holds.

Oil prices have fallen about 4 percent following the United States and Iran announced an agreement to halt hostilities.

Brent crude is now trading at US$84 (NZ$143) a barrel. It follows a similar drop in prices on Friday.