While its power is notable, the 6.7L Cummins isn't without problems. The two emission systems, an Exhaust Gas Recirculation (EGR) and Diesel Particulate Filter (DPF), have reportedly required ...

The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

exhaust gas recirculation valve and diesel particulate filter, which are some very expensive components to repair in a modern, high-tech oil burner like the Cummins. Chrysler has announced the ...

The engines incorporate stoichiometric combustion and exhaust gas recirculation allowing for ... 531 new natural gas powered engines from Cummins Westport Inc. of Vancouver, British Columbia.