In January 2013, fuel in Slovenia averaged €1.516 for petrol

Petrol, monthly average€1.516/L
Diesel, monthly average€1.407/L
LPG, monthly average€0.812/L
Weekly bulletins held for January 20134

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