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

This grill of a Ram truck is on display IN 2018 at the Pittsburgh Auto Show. (AP Photo/Gene J. Puskar, File)

DETROIT — Engine maker Cummins Inc. will recall 600,000 Ram trucks as part of a settlement with federal and California authorities that also requires the company to remedy environmental damage caused by illegal software that let it skirt diesel emissions tests.

New details of the settlement, reached in December, were released Wednesday. Cummins had already agreed to a $1.675 billion civil penalty to settle claims – the largest ever secured under the Clean Air Act – plus $325 million for pollution remedies.

That brings Cummins’ total penalty to more than $2 billion, which officials from the Justice Department, Environmental Protection Agency, California Air Resources Board and the California Attorney General called “landmark” in a call with reporters Wednesday.

“Let this settlement be a lesson: We won’t let greedy corporations cheat their way to success and run over the health and wellbeing of consumers and our environment along the way,” California AG Rob Bonta said.

Over the course of a decade, hundreds of thousands of Ram 2500 and 3500 heavy duty pickup trucks – manufactured by Stellantis – had Cummins diesel engines equipped with software that limited nitrogen oxide pollution during emissions tests but allowed higher pollution during normal operations, the governments alleged.

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