A year ago, Cam Dumesny was paying $1.57 a litre for diesel. These days, that's somewhere in the order of $2.30.
"And that's just in Perth — when you get to remote areas like the Nullabor, you're up at well over $3," says the CEO of the Western Roads Federation, WA's peak road transport industry body.
"When you look at it, we've had almost a 50 per cent rise in fuel costs," he adds.