After a 30-cent hike in some places this month, July’s gas prices at Army and Air Force Exchange Service outlets in mainland Japan, Okinawa and Guam will drop about 3 cents starting Saturday.

AAFES officials on Okinawa released the new prices Tuesday. In mainland Japan and Okinawa, mid- grade fuel will cost $2.807 a gallon, down from $2.839. Unleaded gas on Guam will level off from $2.979 to $2.949 a gallon, while midgrade petroleum on the island drops from $3.089 to $3.059 a gallon. Premium unleaded will also drop 3 cents, from $3.189 to $3.149 a gallon.

Diesel fuel — not available on Guam — goes up, barely, from $2.719 to $2.72 a gallon.

In mainland Japan and Okinawa, AAFES calculates local dispensing costs and Department of Energy averages from the previous four to five weeks to set retail fuel prices each month. Between May 15 and June 19, U.S. weekly midgrade averages ranged from $3.049 to $2.971, according to the energy department’s Web site,

A Japanese government discount of about 25 cents a gallon allows AAFES to keep fuel costs below U.S. averages. In Guam, retail prices are based on local market costs since fuel is purchased on the economy.

The Navy Exchange in Japan and Guam and Marine Corps Air Station Iwakuni in southern Japan did not provide prices, but typically follow AAFES’ lead in setting monthly gas prices at their installations.

Japan and Okinawa


June — $2.839/gallonJuly — $2.807/gallonDiesel:

June — $2.719/gallonJuly — $2.72/gallonGuam


June — $2.979/gallonJuly — $2.949/gallonMidgrade:

June — $3.089/gallonJuly — $3.059/gallonPremium Unleaded:

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