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Statement from CARB on defeat devices on 3-liter VW, Audi diesel engines
SACRAMENTO - On November 2, 2015, ARB issued to Volkswagen AG, Audi AG, Volkswagen Group of America, Inc., Porsche AG and Porsche Cars North America an In Use Compliance Letter addressing concerns over test results for 2014, 2015, and 2016 vehicles with 3.0 liter diesel engines, alleging that these model years included defeat devices. On the same day EPA issued a Notice of Violation to these same parties.
During a meeting yesterday, VW and Audi officials responded to those concerns and told EPA and CARB that the issues raised in the In-Use Compliance letter extend to all 3.0 liter diesel engines from model years 2009 through 2016. Based on this information, EPA and CARB will continue to investigate and take all appropriate action under their respective authorities.
ARB's mission is to promote and protect public health, welfare, and ecological resources through effective reduction of air pollutants while recognizing and considering effects on the economy. The ARB oversees all air pollution control efforts in California to attain and maintain health based air quality standards.