Engine maker Cummins to repair, replace 600,000 Ram trucks in $2 billion emissions cheating scandal

The Department of Justice released new details of a settlement with engine manufacturer Cummins Inc. Wednesday that includes a mandatory recall of 600,000 Ram trucks, and that Cummins remedy environmental damage it caused when it illegally installed emissions control software in several thousand vehicles, skirting emissions testing. Cummins is accused of circumventing emissions testing through devices that can bypass or defeat emissions controls.