In April 2011, fuel in Bulgaria averaged €1.165 for petrol

Petrol, monthly average€1.165/L
Diesel, monthly average€1.194/L
LPG, monthly average€0.561/L
Weekly bulletins held for April 20113

Monthly averages for Bulgaria across April 2011, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).