The GasBuddy national average gas price fell -3.8 cents again to $3.04. This is -4.7 cents below a month ago and -29.9 cents lower than a year ago. The median U.S. gas price is $2.89, down -5 cents from last week and about -15 cents lower than the national average. The national average price of diesel has decreased -1.9 cents in the last week and stands at $3.629.