Fuel prices have seen their biggest monthly increase in nearly two years.
The AA says petrol and diesel are up by 5 cent a litre, compared to December.
Petrol prices are now at their highest since March 2015.
The AA says the average cost of a litre of petrol is just over 1 euro 36, while diesel is just under 1 euro 27.
It's calling for a reduction in what it calls "excessive" fuel taxes.
An estimated 63 per cent of the retail price of petrol consists of taxes.
