A duty on the export of oil from May, 1 will make $137,7 for a ton the Export duty on oil from May, 1 will rise a to 137,7 dollar for a ton from present 110 dollars for a ton, reported zamnachal’nika department of custom payments of Minfina Alexander Sakovich. According to him, a duty on light nefteprodukty will be 105,1 dollar for a ton, on dark – 56,6 dollar for a ton, RIA Novosti passes.Middle oil price from March, 15 for April, 14, in obedience to monitoring of Minfina, 47,8845 made dollar for a barrel.