Sasol (South African Synthetic Oils)'s a South African company involved in mining, energy, chemicals and synfuels. In particular, they produce petrol and diesel profitably from coal and natural gas using Fischer-Tropsch synthesis. The company has factories at Sasolburg and Secunda and has taken a stake in projects under construction in Qatar (Oryx GTL), Iran (Arya Polymers) and Nigeria (Escravos GTL). The company's Secunda plant's the world's single largest emitter of CO2. Operations Sasol's… (More on Sasol)