In January 2015, fuel in Bulgaria averaged €0.965 for petrol

Petrol, monthly average€0.965/L
Diesel, monthly average€0.999/L
LPG, monthly average€0.499/L
Weekly bulletins held for January 20154

Monthly averages for Bulgaria across January 2015, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).