Appliance Standards Awareness Project, Dec. 5, 2016, by Chris Granda.
http://www.appliance-standards.org/blog/doe-completes-new-air-compressor-standards

"Today the U.S. Department of Energy (DOE) released new energy efficiency standards for rotary air compressors. These large air compressors power a range of commercial and industrial equipment such as manufacturing robots, pneumatic tools, and paint sprayers and use about 6 percent of all motor-driven electricity consumption in the industrial sector."