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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 1037.231: Powertrain families.

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER U—AIR POLLUTION CONTROLS
  4. PART 1037—CONTROL OF EMISSIONS FROM NEW HEAVY-DUTY MOTOR VEHICLES
  5. Subpart C—Certifying Vehicle Families

See 40 CFR 1036.231 for provisions describing how to divide your product line into powertrain families.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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