Gas prices on downward trend AAA's monthly fuel gauge survey, taken June 12, shows the statewide average price of gasoline in South Dakota has decreased slightly to $1.785 per gallon.
This is down .044 cents from last month's survey, when the statewide average was at $1.829.
Nationwide, the average price of gasoline is at $1.661 per gallon, which is nearly six cents lower than a month ago.
The highest state-wide average cost of regular unleaded gasoline is $1.994 in California, while the state with the lowest state-wide average is Georgia, at $1.461.
For a free copy of the AAA Gas Watcher's Guide, contact AAA at 1-800-222-4545. This 12-page booklet provides helpful money and fuel-saving hints and tips for drivers.