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Published on Apr 11, 2014
Jennifer Rumsey, the Vice President of Engineering for Cummins Engine Business, explains how Cummins developed its clean diesel engine technology through the Tier 4 Interim and Tier 4 Final stages to develop near zero emissions products. This included adding new components like a common rail high pressure fuel system for particulate control, exhaust gas recirculation, a variable-geometry turbocharger, a particulate filter, and the Selective Catalytic Reduction. Learn more at http://www.dieselforum.org/tier4