This chart will infuriate Australian motorists

Now here’s a chart that will undoubtedly infuriate Australian motorists.

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From Commsec, it show that gross retail petrol margins — the difference between wholesale prices and drivers pay at the pump — have been steadily rising for more than a decade, adding to the cost of filling up the car than what would have otherwise been the case.

Back between 2004 to 2007, the gross retail margins regularly sat at between 3 and 6 cents per litre.

Now it regularly stands at triple that amount and is continuing to trend higher, an unwelcome outcome at time when household incomes are growing far slower than in the past.