Gas Prices in Kalifornia..
The United States federal excise tax on gasoline is 18.4 cents per gallon (cpg) and 24.4 cents per gallon (cpg) for diesel fuel.
Plus California 69 cents a gallon on gas 79.5 cents a gallon on Diesel....Plus California charges Sales tax on gas and diesel....
Nevada is 51.5 cents per gallon on gas....and 53 cents on diesel with NO Sales Tax on them..
http://www.gaspricewatch.com/web_gas_taxes.php