California New Gas Tax Increase 2025 Update. The tightened fuel standards will actually increase fuel prices by 65 cents per gallon in 2025, 85 cents per gallon by 2030, and almost $1.50 per gallon by 2035. If approved, the low carbon fuel standard would increase the price of gas by an average of almost 50 cents per gallon by 2025.

With california set to see another gas tax hike on july 1 to 59.6 cents per gallon, a new tax is potentially on the horizon thanks to california air resources board (carb). The state’s average price at the pump is up 55 cents from a year ago as the more expensive summer blend kicks in, with a gas tax hike starting july 1.