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The latest hike in the price of petrol will likely see unions stick more firmly to their demands of higher salary increases.
The price of petrol will go up on Wednesday by between 21-and-23 cents a litre - depending on the grade.
The diesel price will go up by between 39-and-40 cents a litre.
It comes on the back of a 93-cents increase earlier this month.
Cosatu's Patrick Craven says the fuel price will make life even harder for those who are already struggling to make ends meet.
