The cost of cigarettes and motor fuel increased overnight as a result of Budget 2021.
50 cent has been added to the cost of a box of cigarettes, with other increases on related products.
AA Ireland says the carbon tax increase will only push up living costs for those dependent on cars and does nothing for the environment.
Motorists will pay around two cent more for a litre of petrol and two and a half cent for a litre of diesel.
Conor Faughnan, from AA Ireland, says this will particularly hurt those living in isolated parts of the country: