[The Conversation Africa] The giant Secunda complex of Sasol, South Africa's biggest chemicals and energy company, provides the fundamental ingredients to South Africa's petrochemical sector. It produces petrochemicals, plastics, chemicals essential to key industries such as agriculture (fertilisers) and mining (explosives), and 30% of the country's liquid fuels. These value chains are very important to the economy. In 2021, this output accounted for 2.6% of GDP directly and 5.2% indirectly.