Sasol has faced several challenges in the production of petrol in South Africa, including fluctuating global oil prices that impact profitability and operational costs. Additionally, regulatory and environmental compliance can lead to increased expenses and operational constraints. The company also grapples with aging infrastructure, which can affect efficiency and reliability. Lastly, competition from other fuel producers and shifts towards renewable energy sources pose strategic challenges for Sasol's long-term viability in the petrol market.