2 options
Improvements for heavy-duty engine and vehicle test procedures: supplemental proposal / United States Environmental Protection Agency, Office of Transportation and Air Quality.
Connect to full text Available online
View online- Format:
- Book
- Government document
- Series:
- Regulatory announcement (United States. Environmental Protection Agency. Office of Transportation and Air Quality)
- Regulatory announcement
- Language:
- English
- Subjects (All):
- Air--Pollution--United States--Measurement.
- Air.
- Diesel motor exhaust gas--Measurement.
- Diesel motor exhaust gas.
- Air--Pollution--Measurement.
- Genre:
- administrative regulations.
- Administrative regulations.
- Physical Description:
- 1 online resource (2 pages)
- Place of Publication:
- Washington, DC : United States Environmental Protection Agency, Office of Transportation and Air Quality, 2020.
- Notes:
- "EPA-420-F-20-052."
- "December 2020."
- This is a publication issued by the United States federal government or produced with federal funds.
- In scope of the U.S. Government Publishing Office Cataloging and Indexing Program (C&I) and Federal Depository Library Program (FDLP) distribution.
- Online resource; title from PDF caption (NEPIS. EPA.gov website, viewed March 10, 2021).
- Description based on online resource; title from PDF title page (NEPIS, viewed June 18, 2026).
- OCLC:
- 1241098873
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.