# Approval and Promulgation of Air Quality Implementation Plans; Texas; Approval of Texas Low Emission Diesel Fuel Rule Revisions
> **Rule** · Direct final rule. · Published 2013-05-06 · Effective 2013-07-05 · 78 FR 26255
## Document
- **Document number:** 2013-10546
- **Category:** air-emissions
- **Federal Register citation:** 78 FR 26255
- **CFR reference:** 40 CFR 52
- **Publication date:** 2013-05-06
- **Effective date:** 2013-07-05
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2012-0766
## Abstract

EPA is granting direct final approval of a revision to the Texas State Implementation Plan (SIP) concerning the Texas Low Emission Diesel fuel rules. The revisions clarify existing definitions and provisions, revise the approval procedures for alternative diesel fuel formulations, add new registration requirements, and update the rule to reflect the current program status because the rule is now fully implemented. This SIP revision meets statutory requirements.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/05/06/2013-10546/approval-and-promulgation-of-air-quality-implementation-plans-texas-approval-of-texas-low-emission)
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