In May 2007, fuel in Slovenia averaged €1.103 for petrol

Petrol, monthly average€1.103/L
Diesel, monthly average€0.962/L
LPG, monthly average€0.576/L
Weekly bulletins held for May 20074

Monthly averages for Slovenia across May 2007, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).