# Heavy-Duty Engine and Vehicle and Nonroad Technical Amendments
> **US Department of Transportation** · Rule · Published 2013-09-12 · 78 FR 56171
## Document
- **Document number:** C1-2013-19880
- **Category:** other
- **Sub-agency:** US Department of Transportation
- **Federal Register citation:** 78 FR 56171
- **CFR reference:** 40 CFR 1037
- **Publication date:** 2013-09-12
- **DOT docket:** EPA-HQ-OAR-2012-0102
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/09/12/C1-2013-19880/heavy-duty-engine-and-vehicle-and-nonroad-technical-amendments)
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