---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch91"
level: "chapter"
label: "Chapter 91"
heading: "National Energy Conservation Policy"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch91"
sections_count: 73
---

# Chapter 91 — National Energy Conservation Policy

Title 42 — The Public Health and Welfare

## Contents

- [Subchapter I — General Provisions](/usc/42/ch91-schI.md)
- [Subchapter II — Residential Energy Conservation](/usc/42/ch91-schII.md)
- [Subchapter III — Federal Energy Initiative](/usc/42/ch91-schIII.md)
- [Subchapter IV — Energy Conservation for Commercial Buildings and Multifamily Dwellings](/usc/42/ch91-schIV.md)
- [Subchapter V — Energy Auditor Training and Certification](/usc/42/ch91-schV.md)
- [Subchapter VI — Coordination of Federal Energy Conservation Factors and Data](/usc/42/ch91-schVI.md)
- [Subchapter VII — Energy Savings Performance Contracts](/usc/42/ch91-schVII.md)