In April 2018, fuel in Netherlands averaged €1.639 for petrol

Petrol, monthly average€1.639/L
Diesel, monthly average€1.328/L
LPG, monthly average€0.665/L
Weekly bulletins held for April 20184

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