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Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 1048 - PART 1048—CONTROL OF EMISSIONS FROM NEW, LARGE NONROAD SPARK-IGNITION ENGINES
Subpart A [§ 1048.1 - § 1048.30] - Subpart A—Overview and Applicability
Subpart B [§ 1048.101 - § 1048.145] - Subpart B—Emission Standards and Related Requirements
Subpart C [§ 1048.201 - § 1048.255] - Subpart C—Certifying Engine Families
Subpart D [§ 1048.301 - § 1048.350] - Subpart D—Testing Production-line Engines
Subpart E [§ 1048.401 - § 1048.425] - Subpart E—Testing In-use Engines
Subpart F [§ 1048.501 - § 1048.515] - Subpart F—Test Procedures
Subpart G [§ 1048.601 - § 1048.640] - Subpart G—Compliance Provisions
Subpart H - Subpart H [Reserved]
Subpart I [§ 1048.801 - § 1048.825] - Subpart I—Definitions and Other Reference Information
authority:
42 U.S.C. 7401-7671q.
source:
67 FR 68347, Nov. 8, 2002, unless otherwise noted.
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