There was one gas station in cities across Walla Walla County selling diesel gas at the lowest price of $6.59 per gallon in the week ending May 9, according to customer reports submitted to GasBuddy.
The average reported price of diesel gas across the county was $6.79 per gallon.
Of the 25 reported gas stations located within Walla Walla County, seven offered diesel gas.
The statewide average price of diesel gas in Washington was $6.78 per gallon for the week ending May 9, a decrease from the previous week.
Gas price data reflects cash payments. Some stations may charge higher prices for credit card transactions due to processing fees, though such surcharges are prohibited in some states and territories.
Information in this article was obtained from GasBuddy. The source data can be found here.
