In April 2010, fuel in Bulgaria averaged €1.047 for petrol

Petrol, monthly average€1.047/L
Diesel, monthly average€1.003/L
LPG, monthly average€0.454/L
Weekly bulletins held for April 20103

Monthly averages for Bulgaria across April 2010, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).