Petrol goes up by 4 cents a litre, and auto diesel by 2 cents a litre, from midnight tonight.
The car Scrappage Scheme is to be extended until June 30 2011, with a reduced maximum of €1,250 VRT relief.
Tax relief for hybrid and flexfuel vehicles is also to be extended until 2012, at a rate of €1,500. The rate of relief for plug-in hybrid electric vehicles will be €2,500 until the end of 2012.