National Renewable Energy Laboratory (NREL), News Release NR-1314, Mar. 4, 2014.
http://www.nrel.gov/news/press/2014/8311.html

"The Energy Department’s National Renewable Energy Laboratory (NREL) has developed a web-based tool to help consumers better understand the energy performance of building-related products. The Technology Performance Exchange™ (TPEx™) is a portal that helps manufacturers and other organizations that measure and test products easily share performance data with product consumers."