Report: Impact of Fuel Use Trends on the Highway Trust Fund's Present and Future

AED-sponsored report released in 2013 projected that over the next two decades, HTF revenues will fall $365 billion short of the amount necessary to maintain annual federal highway spending at current levels adjusted for inflation (approximately $40 billion per year).

As automobile fuel economy increases, the federal highway program's fiscal position will become ever more precarious, a new study by researchers at the College of William and Mary finds.