Gas prices begin to drop AAA's monthly fuel gauge survey Sept. 16 showed the state-wide average price of gasoline in South Dakota is about $1.674, down about 2.3 cents since Aug. 26 when the state-wide average was about $1.697.
The average price of gasoline in Sioux Falls is at $1.605, down 10.6 cents from Aug. 26, while the Rapid City average has increased 4.1 cents to $1.793 per gallon during the same time period.
Nationwide, the average price of gasoline is at $1.687, down 3.1 cents since Aug. 26 when the average was 1.718.
Prices moved sharply higher at the end of August due to higher crude oil prices, rising demand for gasoline, a drop in gasoline imports and a series of problems with domestic gasoline refineries and a pipeline break.
For more information, go to www.aaa.come. Click on Daily Fuel Gauge Survey for detailed information on all 50 states, and 250 metropolitan areas, including Sioux Falls and Rapid City.