Currently 12 million marine engines are operated in the United
States. Those primarily in use for recreational boating are gasoline-fueled,
spark-ignition engines. These marine engines are among the highest
contributors of hydrocarbons (HC) and oxides of nitrogen (NOx) emissions
in the country. HC and NOx produce ground-level ozone, which irritates
the respiratory system, causing chest and lung inflammation. Ozone
can also aggravate existing respiratory conditions such as asthma.
Boaters can join many others who are working to make a difference
in preventing pollution from these marine engines.
Contact: ASD Information, phone: (734)
214-4636 or email: asdinfo@epa.gov
for further information on documents contained on this Web page,
as well as other topics related to marine engines.
Consumer Information
Regulations/Guidance
Other Information
About Portable Document
Format Files
Consumer Information and Other Fact Sheets on Marine Engines
Regulations/Guidance Documents
Proposed Technical Amendments (published September 10, 2004)
- Federal Register Notice: "Test Procedures for Testing
Highway and Nonroad Engines and Omnibus Technical Amendments"
Technical Amendments to 40 CFR part 91 (published November 8,
2002)
Proposed Rule - Emission Standards for Evaporative Emissions
from Recreational Boats and Exhaust Emissions from Highway Motorcycles
(published August 14, 2002)
| Facts Sheets:
|
| "Proposed Emission
Standards for New Highway Motorcycles and Recreational Boats"
(EPA420-F-02-007) |
15K
PDF |
| "Frequently Asked
Questions: Effect of Proposed Evaporative Emission Standards
for Marine Manufacturers" (EPA420-F-02-008) |
12K
PDF |
| "Frequently Asked
Questions: Effect of Proposed Evaporative Emission Standards
for Boat Owners" (EPA420-F-02-009) |
10K
PDF |
| Proposal:
|
| Federal
Register Notice (published August 14, 2002) |
405K
PDF |
| Draft Regulatory Support
Document (EPA420-D-02-003) |
3.3M
ZIP WPD |
984K
PDF |
| Final Report of the
Small Business Advocacy Review Panel - Control of Emissions
from Nonroad Large Spark Ignition Engines, Recreational Engines
(Marine and Land-based), and Highway Motorcycles (EPA420-R-01048) |
152K
WPD |
303K
PDF |
| Docket Index |
460K
WPD |
460K
PDF |
Proposal
for Cleaner Recreational Vehicles with Proposed Technical
Amendments to 40 CFR Part 91.
Notice of Proposed Rulemaking - Control of Air Pollution:
Minor Amendments to Emission Requirements Applicable to Small Nonroad
Spark-Ignition Engines and Marine Spark-Ignition Engines (published
February 3, 1999)
"Marine Spark-Ignition Engine Manufacturers Certification Guidance
Document" (EPA420-B-97-004), April 1997 93K
WPD or 207K ZIP PDF
Final Rule - Amendment to Emission Requirements Applicable
to New Gasoline Spark-Ignition Marine Engines (published April 2,
1997)
Final Rule for New 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 (published October 4, 1996)
November 1991: "Nonroad Engine and Vehicle Emission Study
Report" (Publication nos. EPA-21A-2001 or EPA460/3-91-002)
This "nonroad study" quantifies the contribution of nonroad sources
to air pollution, including volatile organic compounds (VOCs), oxides
of nitrogen (NOx), carbon monoxide (CO), and particulate matter
(PM). The study covers 10 equipment categories, including:
lawn and garden equipment, farm and construction equipment, recreational
vehicles, marine vessels, and airport service equipment.
Paper copies of this study are available from the National
Technical Information Service (NTIS) 
Publication #PB-92-126960.
Links to Related EPA Pages
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