1992—Pub. L. 102–486 amended section generally, substituting provisions requiring energy conservation standards for high-intensity discharge lamps, distribution transformers, and small electric motors, for provisions authorizing appropriations for fiscal years 1978 and 1979.

Section 124(c) of Pub. L. 102–486 provided that: “The Secretary shall evaluate the practicability, cost-effectiveness, and potential energy savings of replacing, or upgrading components of, existing utility distribution transformers during routine maintenance and, not later than 18 months after the date of the enactment of this Act [Oct. 24, 1992], report the findings of such evaluation to the Congress with recommendations on how such energy savings, if any, could be achieved.”