The finance ministry on Saturday introduced a pointy enhance in export duties on diesel and Aviation Turbine Fuel (ATF), whereas retaining the duty on petrol unchanged.According to the ministry, the export duty on diesel has been raised from Rs 21.5 per litre to Rs 55.5 per litre, whereas that on ATF has been elevated from Rs 29.5 per litre to Rs 42 per litre. The revised charges will take impact instantly.The transfer comes as the federal government weighs steps to stop greater gasoline prices from feeding into airfares. Officials are reviewing tax and price measures to guard airways and passengers amid unstable world oil prices.The earlier duties, imposed on March 26, had been aimed toward boosting home gasoline availability in the course of the battle in West Asia and stopping exporters from gaining from widening world value variations as crude prices surged.The tensions escalated on February 28 when the United States and Israel launched army strikes on Iran, drawing a robust response from Tehran. A short lived pause adopted on April 8, when the three international locations agreed to a two-week ceasefire after the battle disrupted vitality markets throughout the Middle East.Export duty on petrol continues to stay nil.