Average retail gasoline prices in North Dakota have increased 3 cents per gallon the past week, averaging $3.70 Sunday, according to gasoline price website NorthDakotaGasPrices.com.
Nationally, gas prices have decreased 4.7 cents per gallon past week to $3.60.
Today in Grand Forks and East Grand Forks, most stations were charging between $3.60 and $3.75 per gallon.
Including the change in gas prices in North Dakota during the past week, prices Sunday were 89.9 cents per gallon more than the same day one year ago and are 0.3 cents per gallon more than a month ago.
The national average has decreased 6.7 cents per gallon during the past month and stands 85.4 cents per gallon more than this day a year ago.