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Regulations last checked for updates: Jun 19, 2026
Title 40 - Protection of Environment last revised: Aug 19, 2026
All Titles
Title 40
Chapter I - CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
Part 1000-1026 - PARTS 1000-1026 [RESERVED]
Part 1027 [§ 1027.101 - § 1027.155] - PART 1027—FEES FOR VEHICLE AND ENGINE COMPLIANCE PROGRAMS
Part 1030 [§ 1030.1 - § 1030.110] - PART 1030—CONTROL OF GREENHOUSE GAS EMISSIONS FROM ENGINES INSTALLED ON AIRPLANES
Part 1031 [§ 1031.1 - § 1031.210] - PART 1031—CONTROL OF AIR POLLUTION FROM AIRCRAFT ENGINES
Part 1033 [§ 1033.1 - § 1033.925] - PART 1033—CONTROL OF EMISSIONS FROM LOCOMOTIVES
Part 1036 [§ 1036.1 - § 1036.825] - PART 1036—CONTROL OF EMISSIONS FROM NEW AND IN-USE HEAVY-DUTY HIGHWAY ENGINES
Part 1037 [§ 1037.1 - § 1037.825] - PART 1037—CONTROL OF EMISSIONS FROM NEW HEAVY-DUTY MOTOR VEHICLES
Part 1039 [§ 1039.1 - § 1039.825] - PART 1039—CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD COMPRESSION-IGNITION ENGINES
Part 1042 [§ 1042.1 - § 1042.925] - PART 1042—CONTROL OF EMISSIONS FROM NEW AND IN-USE MARINE COMPRESSION-IGNITION ENGINES AND VESSELS
Part 1043 [§ 1043.1 - § 1043.100] - PART 1043—CONTROL OF NOX, SOX, AND PM EMISSIONS FROM MARINE ENGINES AND VESSELS SUBJECT TO THE MARPOL PROTOCOL
Part 1045 [§ 1045.1 - § 1045.825] - PART 1045—CONTROL OF EMISSIONS FROM SPARK-IGNITION PROPULSION MARINE ENGINES AND VESSELS
Part 1048 [§ 1048.1 - § 1048.825] -
Part 1051 [§ 1051.1 - § 1051.825] - PART 1051—CONTROL OF EMISSIONS FROM RECREATIONAL ENGINES AND VEHICLES
Part 1054 [§ 1054.1 - § 1054.825] - PART 1054—CONTROL OF EMISSIONS FROM NEW, SMALL NONROAD SPARK-IGNITION ENGINES AND EQUIPMENT
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