In February 2019, fuel in Belgium averaged €1.329 for petrol

Petrol, monthly average€1.329/L
Diesel, monthly average€1.444/L
LPG, monthly average€0.522/L
Weekly bulletins held for February 20194

Monthly averages for Belgium across February 2019, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).