The bills are due for millions of barrels of contaminated Russian oil that have been stuck for weeks in pipelines from Belarus to Germany – but no one wants to pay.  Western oil companies and European refiners that bought the oil a month ago, before discovering it was unusable, have so far refrained from freezing payments as they are keen to maintain good long-term relations with the world’s second biggest oil exporter and avoid protracted legal battles in Russian courts. Instead, several Western buyers have asked Russian producers if they can postpone payments for the tainted crude while buyers and sellers agree how to resolve the mess – and how to share the costs, four traders involved in […]