The Environmental Protection Agency (EPA) recently closed the comment period for its proposed rule limiting carbon dioxide emissions from existing electric power plants. The Institute for Energy Research submitted a comment for the public record highlighting the many ways the rule is problematic, including critical legal issues as well as negative polling from Americans. The comment also shows how EPA’s proposed rule is a threat to the power grid, raises the cost of energy, and offers no tangible benefits in terms of global temperatures. Key findings include: