from ODIRILE TOTENG in Gaborone, BotswanaBotswana BureauGABORONE, (CAJ News) - BOTSWANA is to become a major producer of low-carbon high purity battery grade manganese for the electric vehicle (EV) industry, following an investment of US$26 million. Giyani Metals has secured investment from the Industrial Development Corporation of South Africa and ARCH Sustainable Resources Fund..Giyani is