Bunker

Bunker is the name given to the fuel (oil) used in ships. There are different types of ‘bunker’ and within those types there are also different standards, grades and classifications. For example: MDO (marine diesel oil), MGO (marine gas oil), MFO (marine fuel oil), HFO (heavy fuel oil) and IFO (intermediate fuel oil). Bunker can also refer to the tank or compartment that the fuel is stored in.