The nation's average gas price increased 2.1 cents last week to $3.55 per gallon. The national average DIESEL price increased 2.7 cents and stands at $3.83 per gallon.
Overall gas prices in Yakima are down 0.6 cents per gallon in the last week, averaging $4.70 a gallon Monday, according to GasBuddy's survey of 91 stations in Yakima.