Regulations for Emissions from Locomotives
On this page:
Overview
EPA’s regulations for new and remanufactured locomotives have been in place since the 1990s. This page contains information about all EPA regulations related to emissions from locomotives.
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 locomotives.
| e-CFR link | Summary of what you will find |
|---|---|
| 40 CFR Part 1033 |
All emission standards and certification requirements
|
| 40 CFR Part 1065 | Exhaust emission test procedures |
| 40 CFR Part 1068 | General compliance provisions |
| 40 CFR Part 1074 | Preemption of state standards and procedures for waiver of federal preemption for nonroad engines and nonroad vehicles |
List of Related Regulations
Below is a list of all EPA regulations related to emissions from locomotives and locomotive 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 | Referenced Tier Level(s) (if applicable) |
Regulation Date (Year/Month) |
|---|---|---|
| Final Rule for Locomotives and Locomotive Engines; Preemption of State and Local Regulations | 2023/11 | |
| Final Rule for Mandatory Reporting of Greenhouse Gases | 2009/10 | |
| Final Rule for Control of Emissions of Air Pollution From Locomotive Engines and Marine Compression-Ignition Engines Less Than 30 Liters per Cylinder | Tier 0, Tier 1, Tier 2, Tier 3, Tier 4 | 2008/06 |
| Final Rule for Test Procedures for Testing Highway and Nonroad Engines and Omnibus Technical Amendments | 2005/07 | |
| Final Rule for Emission Standards for Locomotives and Locomotive Engines | Tier 0, Tier 1, Tier 2 | 1998/04 |