The Environmental Protection Agency (EPA)did not regulate carbon dioxide (CO₂)emissions from motor vehicles until after the United States Supreme Court ruled that the EPA had the authority to do so because

Question

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The Clean Air Act, which is the primary federal law regulating air pollution in the U.S., did not specifically mention carbon dioxide (CO2) emissions, leading to initial uncertainty over the EPA's authority to regulate them. This was clarified by the Supreme Court's decision in Massachusetts v. EPA (2007), which held that greenhouse gases, including CO2, are air pollutants covered by the Clean Air Act, thus giving the EPA the authority to regulate their emissions from motor vehicles.

The Environmental Protection Agency (EPA)did Not Regulate Carbon Dioxide (CO2)emissions

The Environmental Protection Agency (EPA)did Not Regulate Carbon Dioxide (CO₂)emissions