UCR study finds Cummins-Westport 11.9L near-zero NOx engine maintains low emissions across all duty cycles

Green Car Congress
By mmillikinAug 31, 2018, 4:02 am223 pts
A new study on ultra-low emission natural gas heavy-duty engines found that the new Cummins-Westport 11.9-liter engine achieved California’s lowest smog-forming emissions standard, and maintained those emissions during all types of driving. Cycle averaged NOx emissions for the ISX12N 400 equipped truck.…

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