Petrol Prices. Are you being taken for a ride? A 25 second 'cheat note' guide by Ross MacDowell. Do petrol companies collude setting petrol prices? How do they orchestrate price rises without government prosecution? What would be the price of petrol if there was no collusion? Great for business meetings, dinner parties or whenever you need just a little bit of knowledge to get you through. Want to know  more? Please listen to the full podcast, Petrol Prices. Are you being taken for a ride? With Australia's leading petrol price expert, David Byrne Professor Of Economics at Melbourne University