Union Pacific Railroad investing $20M to test emissions-reducing locomotive technology in California; moving toward Tier 4 compliance with combination of EGR, DOC and DPF
Green Car Congress
AUGUST 14, 2012
One locomotive in this series of 25 will be based in Roseville to test the combined use of exhaust gas recirculation (EGR), diesel oxidation catalyst (DOC), and diesel particulate filtering (DPF). In 2008, EPA estimated the social cost of the new program (rail and marine) will be approximately $740 million in 2030. Earlier post.)
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