Algeria, Nigeria, and Niger have launched a new phase of construction aimed at completing a section of the pipeline Algeria, Nigeria, and Niger have launched a new phase of construction aimed at completing the Algerian section of Trans-Saharan Gas Pipeline (TSGP), a major energy project designed to carry Nigerian gas to international markets through North Africa, APS reported on Thursday.  The ceremony took place in Algeria’s Adrar region and was attended by senior officials from the three