Jan 04, 2011Endangerment Finding: The Administrator found that the current and projected atmospheric concentrations of the six, key, well-mixed GHGs-CO2, CH4, N2O, HFCs, PFCs, and SF6 –threaten the public health and welfare of current and future generations. (Emphasis added.) Cause or Contribute Finding: The Administrator found that the combined emissions of these well-mixed GHGs from new motor vehicles
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