MABUX World Bunker Index (consists of a range of prices for 380 HSFO, VLSFO and MGO (Gasoil) in the main world hubs) fell slightly on Sep.04: 380 HSFO – USD/MT – 307.01 (-2.80) VLSFO – USD/MT – 353.00 (-5.00) MGO – USD/MT – 427.70 (-7.03) Meantime, world oil indexes changed irregular on Sep.04 as concern …