“Engine manufacturer Cummins Inc. today disclosed that it has reached an agreement in principle with the United States and State of California to pay a $1.675 billion penalty to settle claims that it violated the Clean Air Act by installing emissions defeat devices on hundreds of thousands of engines.”
And here are the exact figures with Ram models referenced: “The company allegedly installed defeat devices on 630,000 model year 2013 to 2019 RAM 2500 and 3500 pickup truck engines. The company also allegedly installed undisclosed auxiliary emission control devices on 330,000 model year 2019 to 2023 RAM 2500 and 3500 pickup truck engines.” The total number of pickup truck engines involved is 960,000.