In April 2010, fuel in Latvia averaged €1.109 for petrol

Petrol, monthly average€1.109/L
Diesel, monthly average€1.081/L
LPG, monthly average€0.536/L
Weekly bulletins held for April 20103

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