Good news for your pocketbook - gas is costing you less at the pump. new mexico gas prices continue to drop, just as they are nationally... The latest lundberg survey of gas prices puts the national average for regular unleaded at 3-75 a gallon... that's down about eight cents in the two-weeks that ended on Friday. newmexicogasprices.com shows our average on Friday at 3-55 a gallon... that's down from 3-61 in the same two weeks... and we're down to 3-51 a gallon now. A year ago at this time, you were paying an average 3-22 a gallon in new mexico. Editor Trilby Lundberg said we can expect gas prices to continue to drop, if the cost of crude oil does not rise substantially.