This story is free to read. AIR RULES 0 Comments By Times Free Press Staff July 7, 2010 1 min read Tennessee and Georgia are among 31 states in the eastern United States that will be required to significantly reduce emissions of sulfur dioxide and nitrogen oxide, both smog-making compounds. Already have an account? Sign in Continue reading Subscribe Need help? Contact us OUT OF FREE ARTICLES You've used your free articles You've read all of your free articles for now. Subscribe for unlimited access to every story. Subscribe Sign in