House Transportation Committee considering a Gas Tax Increase? --
...One method being mulled is indexing the gas tax for inflation, retroactive to the last change in 1993. That would boost the federal tax, currently 18.4 cents a gallon, by about 5.4 cents. State gas taxes average an additional 22 cents per gallon.
Other possibilities are raising the tax two cents a year through 2009, taxing ethanol at the same rate as gasoline or stopping the practice of transferring interest from the highway trust fund — money from the gas tax dedicated to highway programs — to the general Treasury fund. ...