Whether each of the oil refineries (a) keeps technologically abreast of developments in the production of finished fuel products, (b) is capable of meeting 100% of South Africa’s petrol and diesel needs for the next decade, (c) continuously increases its investment in infrastructure improvement and modernisation to be able to adequately meet growing demand, (d) increases its market share of supplying finished fuel products to more parts of Africa, (e) contributed to total self-reliance and savings in foreign exchange by their collectively refining all of our fuel needs domestically for the past two decades; if not what is the situation at present in each case; if so, what are the relevant details?