Download the Code of Federal Regulations in XML.
The Electronic Code of Federal Regulations (e-CFR) is a regularly updated, unofficial editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Publishing Office.
Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code
Text | PDF
Find, review, and submit comments on Federal rules that are open for comment and published in the Federal Register using Regulations.gov.
Purchase individual CFR titles from the U.S. Government Online Bookstore.
Find issues of the CFR (including issues prior to 1996) at a local Federal depository library.
Electronic Code of Federal Regulations
Title 40: Protection of Environment
§1045.101 What exhaust emission standards and requirements must my engines meet?
(a) You must show that your engines meet the following requirements:
(1) Outboard and personal watercraft engines must meet the exhaust emission standards specified in §1045.103.
(2) Sterndrive/inboard engines must meet the exhaust emission standards specified in §1045.105. You may optionally meet these standards earlier than we require, as specified in §1045.145(b).
(3) Sterndrive/inboard engines must meet the engine-diagnostic requirements in §1045.110.
(4) All engines must meet the requirements in §1045.115.
(b) It is important that you read §1045.145 to determine if there are other interim requirements or interim compliance provisions that apply for a limited time.