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
The alleged violations do not present a safety hazard; the cars remain legal to drive and resell. This special cycle revealed that VW’s recall calibration did increase Diesel Exhaust Fluid (DEF) dosing upon initial startup; however, dosing was not sufficient to keep NO x emission levels from rising throughout the cycle.
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