# 40 CFR § 86.001-24: Test vehicles and engines

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-24

## Section

- **Citation:** 40 CFR § 86.001-24
- **Heading:** Test vehicles and engines
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS > PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES > Subpart A—General Provisions for Heavy-Duty Engines and Heavy-Duty Vehicles

## Text

Section 86.001-24 includes text that specifies requirements that differ from § 86.096-24, § 86.098-24 or § 86.000-24. Where a paragraph in § 86.096-24, § 86.098-24 or § 86.000-9 is identical and applicable to § 86.001-24, this may be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.096-24.” or “[Reserved]. For guidance see § 86.098-24.” or “[Reserved]. For guidance see § 86.000-24.”
(a)-(a)(4) [Reserved]. For guidance see § 86.096-24.
(a)(5)-(a)(7) [Reserved]. For guidance see § 86.098-24.
(a)(8)-(b)(1) introductory text [Reserved]. For guidance see § 86.096-24.
(b)(1)(i)-(b)(1)(ii) [Reserved]. For guidance see § 86.000-24.
(b)(1)(iii)-(b)(1)(vi) [Reserved]. For guidance see § 86.096-24.
(b)(1)(vii)(A)-(b)(1)(viii)(A) [Reserved]. For guidance see § 86.098-24.
(b)(1)(viii)(B)-(e)(2) [Reserved]. For guidance see § 86.096-24.
(f) Carryover and carryacross of durability and emission data. In lieu of testing an emission-data or durability vehicle (or engine) selected under § 86.096-24(b)(1) introductory text, (b)(1)(iii)-(b)(1)(vi) and § 86.000-24(b)(1)(i)-(b)(1)(ii) and § 86.098-24(b)(1)(vii)(A)-(b)(1)(viii)(A) or § 86.096-24(c), and submitting data therefor, a manufacturer may, with the prior written approval of the Administrator, submit exhaust emission data, evaporative emission data and/or refueling emission data, as applicable, on a similar vehicle (or engine) for which certification has been obtained or for which all applicable data required under § 86.001-23 has previously been submitted.
(g)(1)-(g)(2) [Reserved]. For guidance see § 86.096-24.
(g)(3)-(g)(4) [Reserved]. For guidance see § 86-000-24.
(h) [Reserved]. For guidance see § 86.096-24.
[61 FR 54887, Oct. 22, 1996]

## Nearby sections

- [40 CFR § 86.000-2 § 86.000-2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.000-2.md)
- [40 CFR § 86.000-3 § 86.000-3 Abbreviations.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.000-3.md)
- [40 CFR § 86.000-7 § 86.000-7 Maintenance of records; submittal of information; right of entry.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.000-7.md)
- [40 CFR § 86.000-24 § 86.000-24 Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.000-24.md)
- [40 CFR § 86.001-2 § 86.001-2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-2.md)
- [40 CFR § 86.001-21 § 86.001-21 Application for certification.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-21.md)
- [40 CFR § 86.001-23 § 86.001-23 Required data.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-23.md)
- [40 CFR § 86.001-24 § 86.001-24 Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-24.md)
- [40 CFR § 86.004-2 § 86.004-2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-2.md)
- [40 CFR § 86.004-11 § 86.004-11 Emission standards for 2004 and later model year diesel heavy-duty engines and vehicles.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-11.md)
- [40 CFR § 86.004-15 § 86.004-15 NOX plus NMHC and particulate averaging, trading, and banking for heavy-duty engines.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-15.md)
- [40 CFR § 86.004-16 § 86.004-16 Prohibition of defeat devices.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-16.md)
- [40 CFR § 86.004-21 § 86.004-21 Application for certification.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-21.md)
- [40 CFR § 86.004-25 § 86.004-25 Maintenance.](https://www.frixlaw.com/law-library/statutes/ecfr-40-86.004-25.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-40-86.001-24. Check the current official text before relying on it. Not legal advice.