By Samantha Freestone
is demanding the Australian Competition and Consumer Commission
(ACCC) investigate the discrepancy between petrol prices and the price of diesel.
Traditionally diesel has been cheaper, he
claims, and the reasons for the increase given by oil companies offer no "credible" excuse.
"Until the last couple of years, diesel has traditionally been substantially cheaper than petrol.
While petrol prices have fallen in recent times, the price of diesel remains extraordinarily high and the gap between petrol and diesel has widened," he says.