FRANKFURT (Reuters) – Shell on Friday said it has agreed to sell its 37.5% stake in the PCK Schwedt oil refinery, which supplies most of Berlin’s fuel, to Britain’s Prax Group. Shell had restarted efforts to sell the stake earlier this year after the German government put the local units of Rosneft, the refinery’s majority owner, under trusteeship in the wake of Moscow’s invasion of Ukraine. Shell said it expects the deal to close in the first half of 2024, pending regulatory clearance and pre-emption rights by Rosneft and Italy’s Eni, which own 54.17% and 8.33% in PCK Schwedt, respectively. N…