In January 2020, fuel in Netherlands averaged €1.684 for petrol

Petrol, monthly average€1.684/L
Diesel, monthly average€1.389/L
LPG, monthly average€0.710/L
Weekly bulletins held for January 20204

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