Gas prices at on-base pumps in South Korea are going down about 1 cent in July, the third price dip in three months.

Effective Tuesday, motorists at Army and Air Force Exchange Service pumps will pay $1.55 for a gallon of regular.

That’s down from June’s $1.56 per gallon price.

Premium is $1.73 per gallon, down 2 cents from last month, and diesel is $1.48 per gallon, down 4 cents.

AAFES ties its gas prices each month to those of the previous month in the continental United States as computed by the U.S. Department of Energy.

“These changes are based on the U.S. Department of Energy averages from the previous four-week period,” said Air Force Master Sgt. Howard Smith, an AAFES Pacific region spokesman. “We apply any dispensing costs, and those together add up for our overseas fuel pricing for Korea.”

Prices at an off-base South Korean gas station in Seoul were $3.92 a gallon for unleaded and $2.31 for diesel Monday.

— Choe Song-won contributed to this report.

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