NY’s gas tax is 31.9 cents - Wisconsin is highest at 32.1 cents/gallon:
http://www.gaspricewatch.com/usgastaxes.asp
—Wisconsin is highest at 32.1 cents/gallon—
You need to include the percentages described in the comments. Gasbuddy includes them in the list, California’s taxes taken together is ~45¢.
http://www.minnesotagasprices.com/tax_info.aspx
Wisconsin also requires a 9.2% markup on retail gasoline sales.
Some group is always at the capitol, pleading for some free government money, but no one ever goes to the capitol and pleads for tax cuts.