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Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 1033, App. I—ORIGINAL STANDARDS FOR TIER 0, TIER 1 AND TIER 2 LOCOMOTIVES

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) The following emission standards applied for new locomotives not yet subject to this part 1033:

Type of standard

Year of original manufacture

Tier

Standards (g/bhp-hr)

NOX

PM-primary

PM-alternate 1

Line-haul

1973-1992

Tier 0

9.5

0.60

0.30

1993-2004

Tier 1

7.4

0.45

0.22

2005-2011

Tier 2

5.5

0.20

0.10

Switch

1973-1992

Tier 0

14.0

0.72

0.36

1993-2004

Tier 1

11.0

0.54

0.27

2005-2011

Tier 2

8.1

0.24

0.12

1 Locomotives certified to the alternate PM standards are also subject to alternate CO standards of 10.0 for the line-haul cycle and 12.0 for the switch cycle.

(b) The original Tier 0, Tier 1, and Tier 2 standards for HC and CO emissions and smoke are the same standards identified in § 1033.101.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 1033, App. I—ORIGINAL STANDARDS FOR TIER 0, TIER 1 AND TIER 2 LOCOMOTIVES - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-1033-app-i/

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