 Savannah Resources PLC AIM:SAV, ETR:SAV, OTC:SAVNF told investors it has signed an agreement with global technology firm ABB as it advances plans for zero-emission operations at Barroso, a lithium mining project in northern Portugal. The early-stage agreement, a memorandum of understanding, envisages ABB providing technical expertise to outline production control and process solutions for lithium concentrate production and integrated spodumene mining operations in line with Savannahs target of zero-emission operations by 2030. 