| SECTION | Title | Time |
|---|---|---|
| § 34.31 | § 34.31 Standards for exhaust emissions. | July 24, 2026 (fm) |
| § 34.48 | § 34.48 Derivative engines for emissions certification purposes. | July 24, 2026 (fm) |
| § 34.60 | § 34.60 Introduction. | July 24, 2026 (fm) |
| §§ 34.61-34.71 | §§ 34.61-34.71 [Reserved] | July 24, 2026 (fm) |
| § 34.71 | § 34.71 Non-volatile particulate matter (nvPM) test procedures. | July 24, 2026 (fm) |
| § 34.73 | § 34.73 Demonstration of compliance for nvPM emissions. | July 24, 2026 (fm) |