In December 2013, fuel in Bulgaria averaged €1.319 for petrol

Petrol, monthly average€1.319/L
Diesel, monthly average€1.359/L
LPG, monthly average€0.705/L
Weekly bulletins held for December 20133

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