The GasBuddy national average gas price fell -1.3 cents over the last week to $3.02. The national average is down -10.6 cents from a month and is -42.4 cents per gallon lower than a year ago. The national average price of diesel has decreased -5.0 cents in the last week and stands at $3.558 per gallon. The median U.S. gas price is $2.89 per gallon, unchanged from last week and about -13 cents lower than the national average.