Project N-024
EMD NOx Reducing 645E Engine Overhaul Kit

Sub-Grantees:Electro Motive Diesel

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EMD (ELECTRO MOTIVE DIESEL) proposes engine emission reduction kits for EMD diesel engines running in marine vessels that operate in the Houston-Galveston area. This kit will provide 30% or more reduction in NOx emission and over 20-30% reduction in PM (Particulate Matter), HC (Hydrocarbon), and CO (Carbon monoxide) emission from engine baseline configuration. These kits will reduce emissions to lower than EPA Marine Tier 1 standards.

EMD estimates there are approximately 100 16 cylinder 645E engines running in the Houston-Galveston area, which equates to 4500 tons of NOx/ year. EMD’s emission reductions kit that will be developed with NRTD funding will reduce that to 2781 tons of NOx/ year.

EMD is proposing to develop an emission kit for the these 645E engines that will include power assemblies, camshafts, oil separator, and an Electronic Unit Injection (EUI) system for use in EMD’s 645E mechanical unit injected (MUI) engines. This system will provide the needed injection control throughout the engine power range to limit emissions and maximize fuel economy. The EUI system also gives greater flexibility for future emission reductions as injection and emission reduction technology advances.

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