SOUTH DAKOTA(WNAX)- Gas prices have been slowly fading downward for the past month or so.

Shawn Steward with Triple “A” South Dakota says that trend should continue.

Steward says they have been tracking the price drops consistently.

Steward says world wide events have an impact on gas prices.

Triple “A” says the national average is at four eighteen a gallon while they say the average in South Dakota is four fifteen a gallon. There are some towns with gas prices now at three seventy a gallon.