R4.20 per litre pain for petrol prices in South Africa

• Petrol prices in South Africa have increased by R4.20 per litre from last year.
• The country's fuel price inflation is 20.6% year-on-year, driven mainly by housing and utility costs.
• Petrol prices are expected to rise again in September with an 80c per litre hike, following a recent decrease of 52c per litre.