The tax provides more than $23 billion per year in revenue for federal highway and public transit programs. The federal gas tax has been in place, in one way or another, since 1919 and was last raised in 1993.
Neither state will collect state income tax, which means any 401(k) withdrawals, IRA distributions, pension payouts, and Social Security benefits are all untouched at the state level. The advantage shared by both states is also what makes this comparison all the more interesting. If neither state takes a cut of your retirement income, then the real question isn't about your 401(k) at all.