# 40 C.F.R. § 86.001-24 (2026): Test vehicles and engines

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_24

## Section

- **Citation:** 40 C.F.R. § 86.001-24 (2026)
- **Heading:** Test vehicles and engines
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 86 / Subpart A / § 86.001-24: § 86.001-24   Test vehicles and engines.

## 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 C.F.R. § 86.000-2 (2026) § 86.000-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_2.md)
- [40 C.F.R. § 86.000-3 (2026) § 86.000-3   Abbreviations.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_3.md)
- [40 C.F.R. § 86.000-7 (2026) § 86.000-7   Maintenance of records; submittal of information; right of entry.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_7.md)
- [40 C.F.R. § 86.000-24 (2026) § 86.000-24   Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_24.md)
- [40 C.F.R. § 86.001-2 (2026) § 86.001-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_2.md)
- [40 C.F.R. § 86.001-21 (2026) § 86.001-21   Application for certification.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_21.md)
- [40 C.F.R. § 86.001-23 (2026) § 86.001-23   Required data.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_23.md)
- [40 C.F.R. § 86.001-24 (2026) § 86.001-24   Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_24.md)
- [40 C.F.R. § 86.004-2 (2026) § 86.004-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_2.md)
- [40 C.F.R. § 86.004-11 (2026) § 86.004-11   Emission standards for 2004 and later model year diesel heavy-duty engines and vehicles.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_11.md)
- [40 C.F.R. § 86.004-15 (2026) § 86.004-15   NO X plus NMHC and particulate averaging, trading, and banking for heavy-duty engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_15.md)
- [40 C.F.R. § 86.004-16 (2026) § 86.004-16   Prohibition of defeat devices.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_16.md)
- [40 C.F.R. § 86.004-21 (2026) § 86.004-21   Application for certification.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_21.md)
- [40 C.F.R. § 86.004-25 (2026) § 86.004-25   Maintenance.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_25.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_24. Check the current official text before relying on it. Not legal advice.