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Six One News: David Murphy, Business Correspondent, explains why prices are rising and why petrol stations are closing at a high rate
Oil prices have been rising this year as a result of continuing pressure on supplies.
In China demand is up 11% each year and there are also concerns about the ability of the supplies to meet the summer driving season in the US.
Oil prices have been rising this year with Brent at $70 and crude at $65.
