Norway's total sales of petroleum products decreased by 2.5% to 689 million liters in August compared to the same month last year, according to Statistics Norway on Tuesday.
For gasoline sales, the statistics office said the volume decreased by 3% to 97 million liters.
Sales of diesel amounted to 257 million liters - a decrease of 2.3% compared to August last year.
The country's statistics authority has produced data collated from the Norwegian Ministry of Trade, the Norwegian Petroleum Institute and oil companies since 1973.
By Murat Temizer