Rep. Earl Blumenauer (D-Ore.) is introducing legislation that would nearly double the 18.4-cents-per-gallon federal gas tax that is traditionally used to pay for federal transportation projects.

Blumenauer’s bill would increase the gas tax by 15 cents, matching a proposal that was included in the 2011 Simpson-Bowles budget reform recommendations.

The legislation would result in drivers paying an extra 33.4 cents per gallon on their purchases, in addition to state taxes.

Transportation advocates have pushed for a gas tax increase to close an approximately $20 billion shortfall in infrastructure funding that has developed as cars have grown more fuel efficient.

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