U.S. Code / Title 42 — The Public Health… / Chapter 162—Energy Infrastructure / Subchapter V—Energy Efficiency and Building InfrastructureTitle 42PartPart E—MiscellaneousContents§ 18841. Survey, analysis, and report on employment and demographics in the energy, energy efficiency, and motor vehicle sectors of the United States§ 18842. Model guidance for combined heat and power systems and waste heat to power systems