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Volkswagen of America temporarily withdraws application for US certification of MY 2016 vehicles; AECDs

Green Car Congress

As a result, Horn says, Volkswagen has withdrawn the application for certification of its model year 2016 vehicles. On electronically controlled engines, AECDs are calibrations—not devices or sensors; on a modern engine, the entire emissions control system is an AECD, EPA says.

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

liter, four-cylinder diesels include software (a “defeat device”) that circumvents EPA emissions standards for NO x. Volkswagen would need to initiate the process that will fix the cars’ emissions systems. The alleged violations do not present a safety hazard; the cars remain legal to drive and resell. —EPA NOV.

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