In December 2008, fuel in Germany averaged €1.091 for petrol

Petrol, monthly average€1.091/L
Diesel, monthly average€1.026/L
LPG, monthly average€0.644/L
Weekly bulletins held for December 20083

Monthly averages for Germany across December 2008, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).