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REASON FOUNDATION
Steady increases in vehicle fuel economy, the lack of inflation indexing of fuel tax rates, and political gridlock over increasing fuel tax rates all make it very difficult even to maintain current pavement and bridge conditions and prevent congestion from getting even worse. The transportation community agrees that we need to phase out fuel taxes and replace them with a more sustainable funding source, generally agreed to be mileage-based user fees of some sort. But no consensus exists on how and when to do this.