The department said Cummins used defeat devices on 630,000 2013 to 2019 RAM 2500 and 3500 pickup truck engines and undisclosed auxiliary emission control devices on 330,000 2019 to 2023 RAM 2500 and 3500 pickup truck engines to cheat emissions control requirements.Who said it is not? And if not "what" part are they replacing/removing? Where are you getting this information? Again, all the "news" at this point is suspect.
They even used this language in the article..
"Cummins allegedly installed so-called "defeat devices" They also used "undisclosed" defeat devices, seems kind of ambiguous to me
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This is what they are accused of and accepted when in agreement to the fine. It state “and undisclosed auxiliary emissions control devices on 330,000 2019 to 2023.