While previous attempts to raise prices have sparked dissent, last year's increase saw no major unrest.
The report today by IRNA, quoting Davood Arabali, a spokesman for Iran's state oil products distribution company, said the new price per liter for subsidised gasoline would be 10,000 rials (34 cents), up from 7,000 rials (24 cents).
That's about a USD 1.28 gallon, compared to the average US price of USD 2.66 a gallon.
Iran, an OPEC member, consumes 70 million liters (18.49 million gallons) of gasoline daily, with some 10 per cent refined and imported from abroad.
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Iran began cutting energy and food subsidies in 2010 under then-President Mahmoud Ahmadinejad, part of what he described as a radical "surgery" to help the Islamic Republic's ailing economy as it faced increased international sanction for its contested nuclear program.
Before the cuts, Iranians had some of the cheapest gasoline in the world. Previous attempts to change the price at the pump have seen dissent. In 2007, protesters rioted and damaged gas stations over prices increasing, with authorities arresting dozens of people.
Iran's low fuel prices has led to rampant smuggling to neighboring countries.