Featured Gas OilDPR wants tankers to be fitted with valves to prevent spillageBy Meletus EZEOctober 29, 2019October 28, 2019 by By Meletus EZEOctober 29, 2019October 28, 20190586 The Department of Petroleum Resources (DPR) has recommended that petrol tankers should be fitted with valves to prevent spillage in event of a rollover. The