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Module 3: Low-Pressure NGV Components

             Heavy-Duty:
             Emissions Controls

















                                  ▪  Simplified emission controls
                                         o  Three-Way Catalyst (TWC) and Exhaust Gas Recirculation (EGR) only
                                             ✓  No DEF
                                             ✓  No DPF
                                             ✓  No SCR




















































                                           NGV Essentials and Safety Practices                                  © 2019 NGVi All Rights Reserved   Page 3-5
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