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Compliance Help
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Information to help manufacturers of nonroad diesel engines and equipment, importers and parties in the nonroad, locomotive, and marine (NRLM) diesel fuel refining and distribution industry comply with EPA regulations related to nonroad diesel engines and fuel.
Diesel Fuel Compliance Help
Engine/Equipment Compliance Help
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
- Compliance Guidance Letters - EPA's guidance letters provide information, guidance and instructions to the regulated industry on specific compliance topics and issues. The following letters affect manufacturers of nonroad diesel engines and equipment, importers, and nonroad diesel fuel refiners.
- Motor Vehicles and Engine Compliance (MVECP) Fee Payment Workshop (PDF) (2 pp, 92K, CCD-04-09, April 5, 2004)
- Tier 1 to Tier 2 Transition for Nonroad CI Engines (PDF) (3 pp, 1.8MB, CCD-00-21-DC, October 2000)
- Deterioration Factors for Nonroad Diesel Engines (PDF) (4 pp, 218K, CCD-00-14, August 23, 2000)
- Using Condensation Equipment During Raw Emissions Sampling for Nonroad Diesel Engines, and Performing Equipment Calibrations and Checks According to CFR Requirements (PDF) (1 pg, 49K, CCD-00-11, August 3, 2000)
- Heavy-Duty Diesel Engines Controlled by Onboard Computers: Guidance on Reporting and Evaluating Auxiliary Emission Control Devices and the Defeat Device Prohibition of the Clean Air Act (PDF) (36 pp, 13.6MB, VPCD-98-13, October 15, 1998)
- Engine Certification Template for Large Nonroad Diesel Engines (Version 4.1) - Electronic file templates for certifying nonroad diesel engines to EPA standards 322K ZIP (Filemaker Pro format)
- Certification Guidance for Engines Regulated Under: 40 CFR Part 86 (On-Highway Heavy-duty Engines) and 40 CFR Part 89 (Nonroad CI Engines) (EPA420-B-98-002, March 1999) -
This guidance document serves as the Small Entity Compliance Guide for the Tier 2 and Tier 3 Emission Standards Final Rule (63 FR 56968, October 23, 1998). This document describes suggested procedures and formats for compiling applications to obtain a certificate of conformity from EPA. (also available as a PDF file, 84 pp, 314K, EPA420-B-98-002, March 1999)
Contact: Greg Orehowsky, phone: (202) 343-9292, email: orehowsky.gregory@epa.gov - New Manufacturer Information - New manufacturers need to fill out an electronic Manufacturer Code Entry Form and email it to CFEIS in order to establish their Manufacturer Code. This step is mandatory before entering data into CFEIS. Available as a Word document (2 pp, 40K) or a PDF file (2pp, 69K).
- Engine Certification Information Center - Certification data from various engine manufacturers for past and current model years.
- Motor Vehicle and Engine Compliance Program Fees Information
Information on the current and proposed rules that administer fees for the services provided under the Motor Vehicle and Engine Compliance Program (MVECP). - Code of Federal Regulations: 40 CFR Part 89 – Control of Emissions from New and In-Use Nonroad Compression-Ignition Engines
For further information or assistance regarding this Web page, please contact the ASD Information Line at (734) 214-4636 or email: asdinfo@epa.gov.