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Applies to the ships built after 1 January 2000. It states that for engines below 130 rpm must have the total weighted cycle emission limit (g/kWh) of 17, engines that are between 130 and 1999 rpm must have no more than 12.1 (g/kWh), engines above 2000 rpm must have the limit of 9.8 (g/kWh).
In later actions, the EPA granted California its GHG waiver by 2009. [33] On September 21, 2021, CARB proposed a plan to upgrade all engines in cars, trucks, and boats to EPA "Tier 3" levels [34] by the end of 2024, and the "Tier 4" level, which is more restrictive, by 2035. [35] Tier 4 engine technology does not yet exist.
GE Marine Announces Successful Testing of First 12V250 Marine Diesel Engine to Meet Upcoming EPA Tier 4i and IMO Tier III Emissions without Exhaust After-Treatment Breakthrough technology ...
From 1 January 2006, all new passenger cars with spark-ignition engines in Hong Kong must meet either Euro IV petrol standard, Japanese Heisei 17 standard or US EPA Tier 2 Bin 5 standard. For new passenger cars with compression-ignition engines, they must meet US EPA Tier 2 Bin 5 standard.
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The EPA said it acknowledges California's withdrawal of the waiver requests "and as a result is taking no further action on CARB’s prior requests and considers these matters closed.”
The H-engine was initially designed for use as a 6,300 hp (4,700 kW) 16 cylinder, the EMD SD90MAC; however, the early engines were found to be unreliable, and unsuccessful in the market, with the proven EMD 710 2-stroke design being preferred. The EMD four-stroke engine was resurrected in 2015 to meet EPA Tier 4 emissions regulations.
Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]