Roadside sellers hike petrol price in Adamawa as IPMAN's feud with customs lingers Roadside sellers of fuel have unfairly increased prices following the continuous closure of petrol stations in Adamawa State by the Independent Petroleum Marketers Association of Nigeria (IPMAN). The shutting down of all the petrol stations followed a protest by IPMAN against members of Operation Whirlwind from the Nigerian Customs Service (NCS) for unlawful harassment and seizure of goods. According to survey on Tuesday, the cost of four liters of petrol rose to N5000 while twenty-five liters were being sold...