40 CFR 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.
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.