# Air Plan Approval; New Hampshire; Updates to Enhanced Motor Vehicle Inspection and Maintenance Program Regulation
> **Rule** · Final rule. · Published 2018-09-25 · Effective 2018-10-25 · 83 FR 48385
## Document
- **Document number:** 2018-20743
- **Category:** air-emissions
- **Federal Register citation:** 83 FR 48385
- **CFR reference:** 40 CFR 52
- **Publication date:** 2018-09-25
- **Effective date:** 2018-10-25
- **State:** NH
- **EPA docket:** EPA-R01-OAR-2016-0398
## Abstract

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This revision includes an amended regulation for the enhanced motor vehicle inspection and maintenance (I/M) program in New Hampshire. New Hampshire continues to implement a test and repair network for an on-board diagnostic (OBD2) testing program. The submitted New Hampshire regulation updates and clarifies the implementation of the New Hampshire I/M program. The intended effect of this action is to approve the updated I/M program regulation into the New Hampshire SIP. This action is being taken in accordance with the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/09/25/2018-20743/air-plan-approval-new-hampshire-updates-to-enhanced-motor-vehicle-inspection-and-maintenance-program)
---
*AI Analytics · CC0 1.0*