Sasol appointed Sipho Nkosi to its board and said the former coal-industry executive will become chairperson in November when Dr Mandla Gantsho steps down. The change of leadership comes during a vital year for Sasol, as the South African fuel and chemical manufacturer nears completion on its $11.8-billion Lake Charles project, in the US, an ethylene plant that will further diversify the company from its liquid-fuels business.