In December 2011, fuel in Czechia averaged €1.380 for petrol

Petrol, monthly average€1.380/L
Diesel, monthly average€1.405/L
LPG, monthly average€0.680/L
Weekly bulletins held for December 20113

Monthly averages for Czechia across December 2011, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).