An intergovernmental agreement (IGA) on a planned $25 billion Nigeria-Morocco gas pipeline will be signed this year, the head of Morocco's hydrocarbons and mining agency (ONHYM) said.Agreed a decade ago, the project - known as the African Atlantic Gas Pipeline - would run 6,900 km on a hybrid offshore-onshore route with a maximum capacity of 30 billion cubic metres (bcm), including 15 bcm to supply Morocco and support exports to Europe, ONHYM's Amina Benkhadra told Reuters by email.The pipeline, which has the backing of the Economic Community of West African States (ECOWAS), has completed its