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Owners Sue General Motors Over Diesel Engine Emissions

Owners Sue General Motors Over Diesel Engine Emissions

Owners of over 700,000 General Motors trucks have filed a class action lawsuit against the company. The suit alleges that the company utilized “defeat devices” on the emissions system of its Duramax diesel engine, violating Environmental Protection (EPA) and California Air Resources Board (CARB) regulations.

Today’s filing successfully drags GM into the diesel drama first launched by Volkswagen AG’s diesel emissions scandal that was uncovered in late 2015. Until today GM has avoided any involvement in diesel emissions suits and violations here in the U.S.

The 190-page complaint filed in Detroit federal court today accuses GM of utilizing emissions control system software to “cheat” emissions testing performed by the agencies. The complaint references the Volkswagen scandal approximately 83 times.

As of today the EPA or CARB have not issued notices of violation to General Motors regarding the Duramax diesel engine. After the Volkswagen scandal the EPA and CARB began placing tougher scrutiny on diesel emissions tests, which led to a notice of violation being issued to Fiat Chrysler Automobiles for its 3.0-liter diesel V-6 engine. Several automakers have also had trouble gaining certification of their 2017 diesel-equipped vehicles.

In a statement, GM has denied the Duramax engine failed to comply with EPA and carb regulations by saying, “These claims are baseless and we will vigorously defend ourselves.  The Duramax Diesel Chevrolet Silverado and GMC Sierra comply with all U.S. EPA and CARB emissions regulations.”

The lawsuit also lists automotive supplier Robert Bosch GmbH as a co-defendant in the matter, accusing the company of having knowledge of the alleged cheating by GM’s emission system. Bosch was recently ordered to compensate Volkswagen owners as part of their involvement in developing Volkswagen’s diesel V-6.

Thus far the EPA or U.S. Justice Department have not commented on today’s filing against GM.





 

About Nick Saporito

AutoVerdict Senior Editor Nick Saporito began writing about cars at age 13. Nick ran a couple of automotive enthusiast sites for several years, before taking some time off to focus on his career and education. By day he's a marketing executive in the telecom world and by night he hangs out here at AV. You'll find him focusing on tech, design and the industry's future.
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  1. carnut
    I hope GM is exonerated and these buttheads that brought the suit against them go belly up having to pay GM's legal fees.
    nsaporito
    Andrew_L
    huh... so then my first question to them is where's your evidence?


    The complaint seems to be using circumstantial evidence (VW) as justification for the suit.

    Rather pathetic, to be honest.
    Andrew_L
    nsaporito
    EPA hasn't said they did. I think this is a law firm hoping to get lucky.


    huh... so then my first question to them is where's your evidence?
    nsaporito
    Andrew_L
    I wasn't even aware GM had a 'cheat device' on their diesels, this is news to me.


    EPA hasn't said they did. I think this is a law firm hoping to get lucky.
    Andrew_L
    I wasn't even aware GM had a 'cheat device' on their diesels, this is news to me.
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