EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels
Green Car Congress
SEPTEMBER 18, 2015
collectively referred to here as Volkswagen). During EPA emission testing, the vehicles’ ECM ran software which produced compliant emissions results under an ECM calibration that VW referred to as the “dyno calibration”. … The NOV alleges that Volkswagen and Audi cars from model years 2009-2015 equipped with 2.0-liter,
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