The Congressional Research Service released a report September 24 finding that federal tax policy aimed at the energy industry is perceived as necessary to correct market failures, but can occasionally exacerbate problems because of necessary political compromises in enacting new provisions. The report, Energy Tax Policy: Issues in the 112th Congress, concluded that some of those policies can lead to unanticipated consequences, like the alternative fuels tax credit that was made available to paper mills using black liquor to power their operations.