Union Pacific Railroad Unveils Experimental Locomotive to Test Emissions-Reduction Te

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<p>Union Pacific Railroad today unveiled an advanced experimental locomotive at its J.R. Davis Yard in Roseville that will test three emissions-reducing technologies including exhaust gas recirculation (EGR), diesel oxidation catalysts (DOC), and diesel particulate filters (DPF). Years in development, UP 9900 will be used for operations in northern California ranging approximately 200 miles from its base in Roseville. UP 9900 is the signature unit in a series of 25 locomotives that Union Pacific is analyzing as part of a broad test of various emissions-reduction techniques in northern and southern California. This is the latest step in the company's ongoing effort to design, build and test technologies that reduce emissions.</p>

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[PrairieRailfan]

Newspaper article and photos at: http://granitebaypt.com/detail/216378.html

 

[lmackattack]

Is the EPA forcing regulation on the Railroad diesels yet. I know in trucking it has been 5 years of nightmares for Truck Diesel MFG...

 

[thaddeusthudpucker]

It is a headache, I know firsthand. I changed careers and the truck I was assigned kept throwing codes about the stupid DPF...

 

[mnbaty]

It is my understanding that Cat is having issues with Tier 4 I have heard they are trying to reverse engineer the system Komatsu has. It sounds like noise and fuel consumption during regen are 2 major issues. The construction equipment I have been around the Cats are way louder even when not running the regen.