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Regulations for Emissions from Vehicles and Engines

Regulations for Emissions from Marine Spark-Ignition Engines

On this page:

Overview

EPA standards for exhaust and evaporative emissions reduce the environmental impact from marine spark-ignition engines and vessels. The emission standards require manufacturers to control exhaust emissions from the engines and evaporative emissions from fuel tanks and fuel lines. This page provides general information for consumers, boaters, and other users of marine vessels that use gasoline engines (or other spark-ignition engines). There are also links to the related regulations and supporting documents.

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List of Related e-CFR Links

See the Electronic Code of Federal Regulations (e-CFR) for the full text of current regulations that apply to marine SI engines.

e-CFR link Summary of what you will find
40 CFR Part 1045 Exhaust emission standards for 2010 and later model year engines
40 CFR Part 1060 Evaporative emission standards
40 CFR Part 1065 Exhaust emission test procedures (for lab and in-field testing)
40 CFR Part 1068 General compliance provisions
40 CFR Part 91 Original exhaust emission standards and compliance program; Test procedures available through 2012 model year

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List of Related Regulations

Below is a list of all regulations related to emissions from marine vessels with spark-ignition engines. 

Click the regulation titles for additional information, including:
  • Rule summaries;
  • Regulatory impact analyses;
  • Comment summaries;
  • Rule histories (including proposed rules); and
  • Fact sheets.*

*Note: Rule-related materials vary by rule.

Regulation Title Regulation Date
(Year/Month)
Greenhouse Gas Reporting Program (GHGRP) 2009/10
Final Rule for Control of Emissions From Nonroad Spark-Ignition Engines and Equipment 2008/10
Final Rule for Control of Emissions From New Marine Compression-Ignition Engines at or Above 30 Liters per Cylinder 2010/04
Final Rule for Amendment to Emission Requirements Applicable to New Gasoline Spark-Ignition Marine Engines 1997/04
Final Rule for Technical Amendments for Marine Spark-Ignition Engines and Vessels 2008/10
Direct Final Rule for Technical Amendments for Marine Spark-Ignition Engines and Vessels 2010/09
Final Rule for Gasoline Spark-Ignition Marine Engines; Exemptions for New Nonroad Compression-Ignition Engines at or Above 37 Kilowatts and New Nonroad Spark-Ignition Engines at or Below 19 Kilowatts 1996/10
Final Rule for Test Procedures for Testing Highway and Nonroad Engines and Omnibus Technical Amendments 2005/07

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