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Code of Federal Regulations Title 40. Protection of Environment § 40.1048.140 What are the provisions for certifying Blue Sky Series engines?

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

This section defines voluntary standards for a recognized level of superior emission control for engines designated as “Blue Sky Series” engines. If you certify an engine family under this section, it is subject to all the requirements of this part as if these voluntary standards were mandatory. To receive a certificate of conformity as “Blue Sky Series,” you must certify to one of the sets of exhaust emission standards in the following table:

Table 1 of § 1048.140—Standards for Blue Sky Series Engines (g/kW-hr)

Standards for steady-state and transient test procedures

Standards for field-testing procedures

HC+NOX

CO

HC+NOX

CO

0.80

4.4

1.10

6.6

0.60

4.4

0.84

6.6

0.40

4.4

0.56

6.6

0.20

4.4

0.28

6.6

0.10

4.4

0.14

6.6
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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.1048.140 What are the provisions for certifying Blue Sky Series engines? - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-1048-140/

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