Heath Knakmuhs, Vice President and Policy Counsel, at the U.S. Chamber of Commerce, testified at a June 13th EPA Public Hearing on “New Source Performance Standards for Greenhouse Gas Emissions from New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units: Emission Guidelines for Greenhouse Gas Emissions from Existing Fossil Fuel-Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule”.