California Gas Tax Increase July 2024 Calculator. Californians already pay the highest gas prices in the nation, but state politicians are imposing new costs that will spike our gas tax to $2 per gallon! California has the highest gas tax rate at 68.1 cents per gallon, followed by illinois and pennsylvania.

California’s gasoline excise tax will increase by 2 cents a gallon starting july 1, but one local lawmaker is asking the state to stop the increase. California’s gasoline tax is scheduled to increase by 8% in july, despite the state having one of the highest tax rates on gas in the nation.