In August 2020, fuel in Netherlands averaged €1.577 for petrol

Petrol, monthly average€1.577/L
Diesel, monthly average€1.204/L
LPG, monthly average€0.591/L
Weekly bulletins held for August 20205

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