Petrol prices are tipped to fall by up to five cents a litre in the next fortnight after staying flat last week.
Commsec economist Savanth Sebastian said the key Singapore unleaded price had fallen recently by about nine cents a litre in Australian dollar terms, yet the flow through to retail prices had been around five cents a litre.
Mr Sebastian said motorists had the right to be “disappointed“ if the difference was not passed on at the bowser.
“Petrol prices are set to fall another five cents a litre over the next week or so, saving motorists $12 a month,” Mr Sebastian said in a statement.
According to the Australian Institute of Petroleum the average national price for unleaded petrol was unchanged at 144.4 cents a litre for the week ending on November 11.
The metropolitan price rose 0.3 cents to 142.2 cents a litre, while the average regional price fell 0.8 cents to 148.9 cents a litre.Perth had the cheapest average unleaded petrol of the major cities last week, down 2.8 cents at 139.2 cents a litre, while Darwin was the dearest, down 0.4 cents to 162.1 cents a litre.
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