CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES > SUBPART R—General Provisions for the Voluntary National Low Emission Vehicle Program for Light-Duty Vehicles and Light-Duty Trucks (§86.1701-99 to §86.1780-99) > 86.1774-99—Vehicle preconditioning.

86.1774-99—Vehicle preconditioning.

The provisions of § 86.132 apply to this subpart, with the following exceptions and additions:
(a) The provisions of § 86.132 (a) through (e) apply to this subpart, with the following additional requirements:
(1) The UDDS performed prior to a non-regeneration emission test shall not contain a regeneration (diesel light-duty vehicles and light-duty trucks equipped with periodically regenerating trap oxidizer systems only). A gasoline fueled test vehicle may not be used to set dynamometer horsepower.
(2) [Reserved]
(b) [Reserved]

Code of Federal Regulations

[62 FR 31242, June 6, 1997. Redesignated at 63 FR 987, Jan. 7, 1998]