Botswana has introduced a new regulation requiring mining companies to sell a 24% stake in new concessions to local investors if the government opts not to purchase it. This rule, announced by the Ministry of Minerals and Energy, took effect on 1 October, reported Reuters. Previously, the Mines and Minerals Act allowed the government a 15% shareholding in mining concessions, with a higher stake option in diamond projects. The southern African nation, one of the world's top diamond producers by value and ...