National Conference of State Legislatures

States are increasingly looking to alternative transportation revenue sources due to the failure of state and federal gas taxes to keep up with inflation and transportation needs. More states are turning toward tolling to make up the gap.
Nov 13, 2013   Stateline
It may seem counter-intuitive to charge extra fees for the cleanest, most fuel-efficient vehicles on the road today - including those that qualify for a federal $7,500 credit. But ten states are doing just that to keep roads well-funded.
Jun 19, 2013   The New American
Continuing our focus on the need to invest in transportation infrastructure and unwillingness to raise state gas taxes, the most recent proposal comes from Gov. Tom Corbett: Reducing the excise tax while increasing the wholesale gas dealer tax.
Feb 7, 2013   The Wall Street Journal - U.S. News