Here are a few key points about the $1.675 billion penalty against Cummins Inc.:
1. It would be the largest ever penalty for a violation of the Clean Air Act, exceeding the previous record set in 2021 against Hyundai and Kia.
2. It’s the second largest environmental penalty ever, behind only the $20.8 billion settlement with BP over the 2010 Deepwater Horizon oil spill.
3. Cummins allegedly installed defeat devices on over 900,000 diesel pickup truck engines…





