It will now cost \u20ac750 more this year to fuel a petrol car than the annual fuel cost last year, according to the latest survey from AA Ireland. Earlier this week, junior minister Robert Troy said that he traveled on free public transport in Luxembourg, adding that Ireland should move towards making public transport free. Would this actually work? \n\nBrian Caulfield Associate Professor School of Engineering at Trinity College Dublin joined us on Newstalk Breakfast.