Alaska's Motor Fuel Tax: A National and Historical Outlier

Alaska Gov. Bill Walker recently proposed tripling his state’s motor fuel tax rates.[1] While a variety of fuel types would be affected by this proposal, three-fourths (or $60 million) of the revenue raised each year would come from higher taxes on gasoline and diesel fuel–sometimes referred to as highway fuels–purchased by Alaska motorists.

Absent any national or historical context, tripling Alaska’s gasoline and diesel fuel tax rates may sound like a radical policy change. But an adjustment of this size is necessary because Alaska lawmakers have not updated the state’s basic highway fuel tax rate since May 1970–almost 47 years ago.[2] Because of this inaction, Alaska’s highway fuel tax has become an outlier when compared to other states’ tax rates, or when compared to Alaska’s own history.

This brief discusses four ways in which Alaska’s highway fuel tax is an outlier: