The national average price for regular gas on Tuesday was $3.14 per gallon.

The price represents a decrease in fuel costs compared to a week ago, when it was $3.163. It was a negligible increase from Monday when the cost for a gallon of regular gas was $3.138, according to AAA. Fuel costs are also less expensive today than a month ago, when a gallon of regular gas was $3.157. And, gas prices today are substantially lower than a year ago, when regular gas was $3.443 per gallon.