{
  "id": "RL34235",
  "type": "CRS Report",
  "typeId": "REPORT",
  "number": "RL34235",
  "active": false,
  "source": "University of North Texas Libraries Government Documents Department",
  "versions": [
    {
      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc811750/",
      "id": "RL34235_2007Oct31",
      "date": "2007-10-31",
      "retrieved": "2016-03-19T13:57:26",
      "title": "Air Pollution as a Commodity: Regulation of the Sulfur Dioxide Allowance Market",
      "summary": null,
      "type": "CRS Report",
      "typeId": "REPORT",
      "active": false,
      "formats": [
        {
          "format": "PDF",
          "filename": "files/20071031_RL34235_872fe10c7f2d5cf4b47126da623cd054e9cba6f7.pdf"
        },
        {
          "format": "HTML",
          "filename": "files/20071031_RL34235_872fe10c7f2d5cf4b47126da623cd054e9cba6f7.html"
        }
      ],
      "topics": []
    }
  ],
  "topics": [
    "Economic Policy",
    "Energy Policy",
    "Environmental Policy"
  ]
}