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Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]
The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.
"EPA’s final standards will significantly reduce emissions of harmful carbon pollution from existing coal-fired power plants, which continue to be the largest source of greenhouse gas emissions ...
The 1990 CAA Amendments (Pub. L. 101–549 § 222) added rules for a "nonroad" engine program (42 U.S.C. § 7547), which expanded EPA regulation to locomotives, heavy equipment and small equipment engines fueled by diesel (compression-ignition), and gas and other fuels (spark-ignition), and marine transport.
Between coal and gas plants, the EPA's new regulations are projected to eliminate 1.38 billion metric tons of carbon pollution through 2047, the same as preventing the annual emissions of 328 ...
Coal-fired power plants would be forced to capture smokestack emissions or shut down under a rule issued Thursday by the Environmental Protection Agency. New limits on greenhouse gas emissions ...
In 2014, the EPA published its "Tier 3" standards for these vehicles, which tightened air pollution emission requirements and lowered the sulfur content in gasoline. [9] EPA has separate regulations for small engines, such as groundskeeping equipment.
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