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[Clean Air Watch periodically accepts guest posts to this space. The attached piece from Nik Donovic -- which highlights the benefits of hybrid vehicles -- struck a particular cord. We hope you find it interesting.]
Learn more about the Clean Air Act
The Clean Air Act is the law that defines EPA's responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer. The last major change in the law, the Clean Air Act Amendments of 1990, was enacted by Congress in 1990. Legislation passed since then has made several minor changes.