Tractebel and Sasol Gas, a subsidiary of the South African synthetic fuels group Sasol, have signed Memoranda of Understanding covering the joint development of the cogeneration market in South Africa and for a joint gas survey of the South African energy market. The two companies have already completed pre-feasibility reports on various projects including steam and electricity generation at the Sasol Chemical Industries plant in Sasolburg and cogeneration in the Durban Metropolitan area.