This would nearly double the federal gas tax to 33 cents per gallon.
http://thehill.com/blogs/transportation-report/infrastructure/191758-bill-filed-to-hike-gas-tax
http://itep.org/itep_reports/2013/09/a-federal-gas-tax-for-the-future.php

http://thehill.com/blogs/transportation-report/infrastructure/191758-bill-filed-to-hike-gas-tax
http://itep.org/itep_reports/2013/09/a-federal-gas-tax-for-the-future.php