Diesel prices could rise by 10 cents and petrol by 2 cents this weekend.
The Enterprise Minister says a cheque can't be written every month to reduce excise duties.
It comes as concern grows over the impact the latest escalation in tensions in the middle east will have on energy costs.
Prices are expected to rise at forecourts over the weekend by up to 10 cents for diesel and 2 cents for petrol.
Minister Peter Burke says the government has to be careful how it responds :
Almost €446,000 Allocated To Midlands Community Centres And Clubhouses
Two People Killed In Offaly Following Fatal Crash
Midlands Family Takes On Ireland’s Fittest Family Challenge
5K Fundraiser To Support Motor Neurone Disease Association Takes Place In Westmeath
No Slowing Down With Age As Westmeath Bowlers Shine At 14th Annual National Bowls Competition
Woman Appears In Court Over €280k Cannabis Seizure In Midlands
Status Yellow Fog Warning Issued For Leinster, Munster And Galway
Call For More Public Toilets Across The Midlands And Beyond