Norway, Aug. 13 -- Following the approval by Brazil's oil, natural gas and biofuels regulator ANP to become self-importer of gas, Alunorte has reached a temporary agreement with its gas supplier CELBA regarding terminal access. The refinery has consequently begun increasing alumina production.The Alunorte refinery temporarily reduced alumina production as a contingency measure after CELBA notified Alunorte of disruptions to natural gas availability. Alunorte has reached an agreement with CELBA regarding temporary terminal access, while pursuing a long-term solutionWith the agreement in place, alumina production at Alunorte is being ramped up to full capacity. Lost production during the period of reduced alumina production is estimated to be...