---
kind: "section"
citation: "42 U.S.C. § 1857f–6d"
title: "42"
title_heading: "The Public Health and Welfare"
number: "1857f–6d"
heading: "Repealed. Pub. L. 91–604, § 8(a), Dec. 31, 1970, 84 Stat. 1694"
status: "repealed"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/1857f-6d"
units:
  - "Chapter 15B — Air Pollution Control"
  - "Subchapter II — Emission Standards for Moving Sources"
  - "Part A — Motor Vehicle Emission and Fuel Standards"
---

# [§1857f–6d. Repealed. Pub. L. 91–604, § 8(a), Dec. 31, 1970, 84 Stat. 1694 — repealed]



## Notes

Section, act July 14, 1955, ch. 360, title II, § 211, as added Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 503, provided for a national emissions standards study for stationary sources to be conducted by the Secretary, with a report and recommendations to be submitted to the Congress by Nov. 21, 1969, and for a study of the feasibility of controls for jet and piston aircraft engines, with a report thereon to Congress by Nov. 21, 1968.