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2017-03-13 |
Alliance of Automobile Manufacturers v. EPA |
Climate Change Mitigation |
Defense of Federal Standards |
California and Connecticut intervened in lawsuit challenging EPA’s determination to retain existing GHG emission standards for light-duty vehicles.
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California, Connecticut |
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2016-08-15 |
North Dakota v. EPA (methane) |
Air Pollution, Climate Change Mitigation |
Defense of Federal Standards |
Twelve states joined in defense of EPA’s new source performance standards for methane and VOC emissions from the oil and gas sector.
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California, Connecticut, Illinois, Maryland, Massachusetts, New Mexico, New York, Oregon, Rhode Island, Vermont, Washington |
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2015-11-03 |
West Virginia v. EPA |
Climate Change Mitigation |
Defense of Federal Standards |
Multi-state intervention to join EPA’s defense of Clean Power Plan against challenge mounted by other states and industry petitioners.
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California, Connecticut, Delaware, District of Columbia, Hawaii, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, Oregon, Rhode Island, Vermont, Virginia, Washington |
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2015-10-23 |
North Dakota v. EPA (Power Plants) |
Climate Change Mitigation |
Defense of Federal Standards |
Multiple states joined as defendant-intervenors in support of EPA in lawsuit challenging New Source Performance Standards (NSPS) for carbon dioxide emissions from new and modified power plants.
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California, Connecticut, Delaware, District of Columbia, Hawaii, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, Oregon, Rhode Island, Vermont, Virginia, Washington |
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2015-08-28 |
Murray Energy Corp. v. EPA |
Water Pollution |
Defense of Federal Standards |
Multiple sates intervened to support EPA’s defense of the Waters of the U.S. rule.
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Connecticut, District of Columbia, Hawaii, Massachusetts, New York, Oregon, Vermont, Washington |
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2015-06-29 |
Michigan v. EPA |
Air Pollution |
Defense of Federal Standards |
Multiple states intervened in lawsuit to defend EPA standards regulating mercury and other air pollutants from the power sector.
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California, Connecticut, Delaware, District of Columbia, Illinois, Iowa, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, North Carolina, Rhode Island, Vermont |
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2014-06-23 |
Utility Air Regulatory Group v. EPA |
Climate Change Mitigation |
Defense of Federal Standards |
Multiple states intervened in lawsuit to defend EPA rules concerning regulation of greenhouse gas emissions from stationary and mobile sources.
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California, Connecticut, Delaware, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Mexico, New York, North Carolina, Oregon, Rhode Island, Vermont, Washington |
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2014-04-29 |
EPA v. EME Homer City Generation |
Air Pollution |
Defense of Federal Standards |
Multiple states intervened in lawsuit to support EPA rule on cross-state air pollution against state and industry challenge.
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Connecticut, Delaware, District of Columbia, Illinois, Maryland, Massachusetts, New York, North Carolina, Rhode Island, Vermont |
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2014-04-24 |
American Public Gas Assoc. v. Department of Energy |
Energy |
Amicus Brief, Defense of Federal Standards |
Multi-state intervention in support of Energy Department proposed rule setting efficiency standards for residential gas furnaces.
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California, Massachusetts, New York |
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2010-06-07 |
Coalition for Responsible Regulation v. EPA (2010) |
Climate Change Mitigation |
Defense of Federal Standards |
Multiple states moved to intervene in litigation concerning the 2012–2016 light duty motor vehicle emissions standards.
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California, Delaware, Illinois, Iowa, Maine, Maryland, Massachusetts, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington |
