CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER U—AIR POLLUTION CONTROLS (Parts 1027–1074) > PART 1033—CONTROL OF EMISSIONS FROM LOCOMOTIVES > SUBPART B—Emission Standards and Related Requirements (§1033.101 to §1033.150) > 1033.102—Transition to the standards of this part.

1033.102—Transition to the standards of this part.

(a) Except as specified in § 1033.150(a), the Tier 0 and Tier 1 standards of § 1033.101 apply for new locomotives beginning January 1, 2010, except as specified in § 1033.150(a). The Tier 0 and Tier 1 standards of 40 CFR part 92 apply for earlier model years.
(b) Except as specified in § 1033.150(a), the Tier 2 standards of § 1033.101 apply for new locomotives beginning January 1, 2013. The Tier 2 standards of 40 CFR part 92 apply for earlier model years.
(c) The Tier 3 and Tier 4 standards of § 1033.101 apply for the model years specified in that section.