In February 2020, fuel in Belgium averaged €1.376 for petrol

Petrol, monthly average€1.376/L
Diesel, monthly average€1.415/L
LPG, monthly average€0.521/L
Weekly bulletins held for February 20204

Monthly averages for Belgium across February 2020, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).