The average weekly diesel fuel price in Australia fell 1.4¢ to 182.9¢ a litre nationally in the week ending 4 May, according to the Australian Institute of Petroleum’s ‘Weekly Diesel Prices’ report.
The average national weekly metropolitan retail price fell 1.6¢ to 180.5¢ a litre, while the regional price fell 1.1¢ to 184.9¢ a litre.
The most expensive diesel in the country was in the Northern Territory at 206.4¢ a litre, followed by Tasmania (183¢), Queensland (183.2¢), NSW/ACT (182.9¢), Victoria (182.5¢), South Australia (181.3¢), and Western Australia (180.9¢).
Of the major cities, Perth offered the cheapest diesel for the week at 178¢ a litre, followed by Sydney (178.9¢), Adelaide (179.7¢), Hobart (180.2¢), Melbourne (180.3¢), Brisbane (182.2¢), Darwin (184.2¢), and Canberra (193¢).

