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US sues Fiat Chrysler over diesel emissions

The Environmental and Natural Resources Division of the US Department of Justice (DOJ-ENRD) has filed a lawsuit against Fiat Chrysler for using software defeat devices in nearly 104,000 Ram 1500 and Jeep Grand Cherokee vehicles (Model Years 2014-2016) with 3.0-liter diesel engines.

The US Environmental Protection Agency (EPA) had issued a notice of violation (NOV) to FCA over the alleged violations of the Clean Air Act in January 2017. (Earlier post.) The undisclosed engine management software results in increased NOx emissions from the vehicles, EPA said. Since then, FCA US has been working with the EPA and the California Air Resources Board (CARB), including extensive testing of the vehicles, to clarify issues related to the emissions control technology.

FCA US said that it is currently reviewing the complaint, but is “disappointed” that the DOJ-ENRD chose to file this lawsuit. FCA said it intends to defend itself vigorously, particularly against any claims that it engaged in any deliberate scheme to install defeat devices to cheat US emissions tests.

FCA US announced last week that it has developed updated emissions software calibrations that it believes address the concerns of EPA and CARB, and has now formally filed for diesel vehicle emissions certification with the regulators for its 2017 model year (MY) Jeep Grand Cherokee and Ram 1500 diesel vehicles.

Subject to the permission of EPA and CARB, FCA US intends to install the same modified emissions software in 2014-2016 MY Jeep Grand Cherokee and Ram 1500 diesel vehicles. FCA US believes this will address the agencies’ concerns regarding the emissions software calibrations in those vehicles.

FCA expects that the installation of these updated software calibrations will improve the 2014-2016 MY vehicles’ emissions performance and does not anticipate any impact on performance or fuel efficiency.

Notwithstanding this lawsuit, the FCA said it remains committed to working cooperatively with EPA and CARB to resolve the agencies’ concerns quickly and amicably.

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