42 U.S.C. § 16001 - U.S. Code - Unannotated Title 42. The Public Health and Welfare § 16001. Energy efficiency in Federally assisted housing

(1) the use of energy-efficient technologies and innovations (including the procurement of energy-efficient refrigerators and other appliances);

(2) the promotion of shared savings contracts; and

(3) the use and implementation of such other similar technologies and innovations as the Secretary of Housing and Urban Development considers to be appropriate.