In March 2017, fuel in Czechia averaged €1.137 for petrol

Petrol, monthly average€1.137/L
Diesel, monthly average€1.115/L
LPG, monthly average€0.531/L
Weekly bulletins held for March 20174

Monthly averages for Czechia across March 2017, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).