In May 2013, fuel in Slovakia averaged €1.475 for petrol

Petrol, monthly average€1.475/L
Diesel, monthly average€1.364/L
LPG, monthly average€0.725/L
Weekly bulletins held for May 20134

Monthly averages for Slovakia across May 2013, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).