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Western Railroad Discussion > Can someone explain Tier 4 credit


Date: 01/31/17 21:09
Can someone explain Tier 4 credit
Author: Atsf814

Hi all;
    Yesterday there was a post on a new GE unit, and the response was that it was a " Tier 4 credit unit ". Identified by fellow Trainorders members, and looks like a ES44AC regular GEVO. What makes it a credit unit and what does that mean? Why didn't they just get a new Tier 4 instead?  In Laymens terms please and thanks in advance for all replies!



Date: 01/31/17 21:49
Re: Can someone explain Tier 4 credit
Author: exhaustED

The credit units can only be obtaibed by buying actual tier 4 units as far as i'm aware. For every credit unit bought there has to be an actual tier 4 unit ordered.



Date: 01/31/17 22:35
Re: Can someone explain Tier 4 credit
Author: tracklight

Tier 4 Credit units are possible because the existing Tier 3 locomotives beat the federal emission requirements for Tier 3 standards, allowing the manufacturers to bank those 'credits' to produce dirtier units later.  There is a limitation that the manufacturers cannot produce more Tier 3 (Tier 4 credit) units than the number of Tier 4 units produced during the year.



Date: 02/01/17 08:57
Re: Can someone explain Tier 4 credit
Author: Ween

As far as I know, EMD had/has no "Tier 4" credit units, correct?



Date: 02/01/17 09:05
Re: Can someone explain Tier 4 credit
Author: atsf5704

Ween Wrote:
-------------------------------------------------------
> As far as I know, EMD had/has no "Tier 4" credit
> units, correct?

UP SD70ACes (SD70AH) 8997 - 9096 delivered March through July 2016.



Date: 02/01/17 09:19
Re: Can someone explain Tier 4 credit
Author: Auburnrail

So what if anything, will change here with the "new" proposed EPA?

Posted from iPhone



Edited 1 time(s). Last edit at 02/01/17 09:28 by Auburnrail.



Date: 02/01/17 11:50
Re: Can someone explain Tier 4 credit
Author: Coalca

Auburnrail Wrote:
-------------------------------------------------------
> So what if anything, will change here with the
> "new" proposed EPA?

Most likely on the Railroad scene, it'll be atleast 4-8 years before any more tiers are created/enacted for new Locomotives.



Date: 02/01/17 14:08
Re: Can someone explain Tier 4 credit
Author: choodude

Auburnrail Wrote:
-------------------------------------------------------
> So what if anything, will change here with the "new" proposed EPA?


Well my crystal ball is foggy, but you've seen pictures of the air in Beijing?  Or Pittsburgh in the 1940's?

Now I concede that railroad locomotives won't contribute that much.

Brian



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