California Gas Tax Increase 2024 Increase. The state senate signs off on gov. The california state senate passed a measure friday to prevent gas prices from spiking in a state where it is.

California is poised to make a significant change to its gas tax policy — potentially raising the price of diesel by an average of $0.47 per gallon and gasoline by an average of $0.37 per. Newsom’s bill to stop spikes in california gas prices.