---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch149/schVII/ptD"
level: "part"
label: "Part D"
heading: "Miscellaneous"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch149-schVII-ptD"
sections_count: 6
---

# Part D — Miscellaneous

Title 42 — The Public Health and Welfare › Chapter 149 — National Energy Policy and Programs › Subchapter VII — Vehicles and Fuels

## Sections

- [§16101. Railroad efficiency](/usc/42/16101.md)
- [§16102. Diesel fueled vehicles](/usc/42/16102.md)
- [§16103. Conserve by Bicycling Program](/usc/42/16103.md)
- [§16104. Reduction of engine idling](/usc/42/16104.md)
- [§16105. Biodiesel engine testing program](/usc/42/16105.md)
- [§16106. Ultra-efficient engine technology for aircraft](/usc/42/16106.md)