Retail prices of regular gasoline averaged 99 yen per liter in September, unchanged from August in line with flat wholesale prices, the Oil Information Center reported Tuesday.
The average price of regular gasoline was unchanged in 20 prefectures. The price declined in 25 prefectures, including Miyagi and Ishikawa, while rising in Aomori and Shiga, the center said.
The average price of premium gasoline in September declined 1 yen to 110 yen per liter, it said.