In July, the Hawaii general excise tax break on fuels with 10% ethanol will expire. Combined with the rise of fuel prices this summer anyway, we could see 15 cent or higher per gallon tax increases.
With the general excise tax credit expiring, it means Hawaii will then have the highest per gallon gas tax in the nation. We're currently at 52 cents per gallon in taxes on average and in the #2 position for the highest (California beats us). With the general excise credit expiring, we'll beat out California for the #1 spot. Go Hawaii!
The lowest in the nation is still Alaska and will probably be forever. 18 cents per gallon.