In August 2018, fuel in Lithuania averaged €1.262 for petrol

Petrol, monthly average€1.262/L
Diesel, monthly average€1.178/L
LPG, monthly average€0.585/L
Weekly bulletins held for August 20184

Monthly averages for Lithuania across August 2018, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).