Gas prices are heading up again in Virginia with the statewide average topping $4.05 a gallon according to Triple-A. Diesel fuel is up a quarter a gallon from a month ago at $5.26 a gallon. Lancaster County’s price is below the statewide average at $3.93. Essex County is above the state average at $4.09. The Senate killed Gov. Glenn Youngkin’s proposal to pause the gas tax for 90 days.