EPA press release: “The first-ever energy efficiency ratings for corn refineries and cement plants will enable those industries to cut energy usage, save money and prevent greenhouse gases. The plant Energy Performance Indicators (EPIs) made available today by EPA as part of a national energy performance rating system, are the first of their kind for these manufacturing facilities. They provide critical information for driving energy savings by enabling the comparison of energy efficiency for a specific facility in the United States to that of the entire industry.”