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The Profound Climate Implications of Supreme Court’s West Virginia v. EPA Decision

Union of Concerned Scientists

That’s because the case, which was about the nature and scope of EPA authority in regulating carbon emissions from existing power plants, turned on a rule that does not exist. EPA did not revoke EPA’s underlying authority to regulate greenhouse gas emissions under the Clean Air Act.

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U.S. Climate Law: A Broad & Rapidly Growing Field

Legal Planet

Social Cost of Carbon D. EPA regulation of greenhouse gas emissions under the Clean Air Act (CAA) A. Standards for carbon and methane emissions from new sources Permitting requirements for carbon emissions from new stationary sources of major sources of existing pollutants.

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Environmentalism and the Supreme Court

Legal Planet

The case involved the lynchpin of the Clean Air Act, EPA’s power to set national air quality standards. The Court then held that greenhouse gases are covered by the Clean Air Act as a type of air pollutant. Among other things, the Clean Air Act gives federal protection to wetlands.

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Climate Policy: What’s Happening at the State Level?

Legal Planet

The possibility of snagging some of this funding may also help nudge some lagging states to think seriously about cutting carbon emissions. Under the Clean Air Act, California has the unique ability to set its own standards for tailpipe emissions from new vehicles, including greenhouse gases.

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Proposed Electrolyzer Requirements for the Hydrogen Tax Credit: Strengths and Risks

Union of Concerned Scientists

Foremost among these is a legal memo from EPA regarding Treasury’s interpretation and implementation of “lifecycle greenhouse-gas emissions” in 45V. Specifically, hydrogen producers running electrolyzers must acquire and retire certificates for clean resources that meet the following three criteria: Incrementality.

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Has the 10th Circuit Paved the Way for More Clean Air Act Mobile Source Citizen Suits?

Environment Next

In a case that could open the door to more citizen suits to enforce mobile source provisions of the Clean Air Act—a category of enforcement actions that has so far failed to gain much traction—the 10 th Circuit Court of Appeals recently issued an opinion broadly upholding a non-profit organization’s standing.

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Unraveling LA’s Hydrogen Combustion Experiment

Legal Planet

This is partly because hydrogen production is energy inefficient and––when derived from fossil fuels––still a significant source of carbon emissions. All this is not to say there is no place for hydrogen in a clean energy future. All this is not to say there is no place for hydrogen in a clean energy future.