U.S. Department of Energy, Energy Efficiency and Renewable Energy Office (EERE), Dec. 6, 2013.
http://www.regulations.gov/#!docketDetail;D=EERE-2010-BT-STD-0027

"Consistent with changes made by the Energy Independence and Security Act of 2007 (EISA 2007), DOE is amending its electric motor standards by expanding the scope of the electric motors that would be regulated. Under the Energy Policy and Conservation Act (EPCA), as amended, DOE must publish a final rule determining whether to amend its standards no later than 24 months after the effective date of the previous final rule."