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  2. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from BIN 1–10, with 1 being the cleanest (Zero Emission vehicle) and 10 being the dirtiest.

  3. Tier 3 - Wikipedia

    en.wikipedia.org/wiki/Tier_3

    Tier 3 may refer to: Tier 3 (nightclub), in New York, U.S. Tier 3 of the First COVID-19 tier regulations in England, the highest level; Tier 3 of the Second COVID-19 tier regulations in England; Tier 3 Railway lines in Australia; Tier III, a data center standard; Tier 3 in United States vehicle emission standards

  4. Data centre tiers - Wikipedia

    en.wikipedia.org/wiki/Data_centre_tiers

    Tier III: full N+1 redundancy of all systems, including power supply and cooling distribution paths Tier IV : as Tier III, but with 2N+1 redundancy of all systems A Tier III system is intended to operate at Tier II resiliency even when under maintenance, and a Tier IV system is intended to operate at Tier III resiliency even when under maintenance.

  5. Push underway to reform Illinois’ Tier II pension with $5 ...

    www.aol.com/news/push-underway-reform-illinois...

    (The Center Square) – The push is on for Illinois legislators to advance some form of pension reform to address what proponents say are shortfalls in Tier II pensions. Illinois implemented Tier ...

  6. Non-road engine - Wikipedia

    en.wikipedia.org/wiki/Non-road_engine

    India introduced its own standards in 2006 called Bharat Stage II (based in part on European Stage I) and Bharat (CEV) Stage III (based on US Tier 2/3). Japan introduced its own standards that are similar but not harmonized to the US Tier 3 and Europe Stage III A. Brazil adopted the resolution in 2011 to set emission standards that are ...

  7. 451 Group - Wikipedia

    en.wikipedia.org/wiki/451_Group

    [10] and the associated certification of data center compliance with the standard. [11] Founded in 1987 by Kenneth G. Brill, [ 12 ] the Uptime Institute was founded as an industry proponent to help owners and operators quantify and qualify their ability to provide a predictable level of performance from data centers, regardless of the status of ...

  8. Emission control area - Wikipedia

    en.wikipedia.org/wiki/Emission_Control_Area

    Tier II limits apply to the ships constructed after 1 January 2011. Tier III controls only apply in the specific areas where the NOx emission are more seriously controlled and apply to the ships constructed after 1 January 2016. For engines under 130 rpm the limit is 3.4 (g/Kwh), engines between 130-1999 rpm the limit us 2.4 (g/kWh), engines ...

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