Oil and diesel refiners in the United States (US) have shipped so much to South Africa recently that they have become a major supplier. Usually, the majority of South Africa’s refined oil would come from the Middle East or India. This decreased when Iran was attacked by the US and Israel, leading the country to close the Strait of Hormuz. But now, according to data from Vortexa and Kpler, US refineries have taken the top spot. South Africa’s…