EPA Announcement Broadens the Scope of VW Emissions Scandal

Elizabeth DiNardo, Esq. | Associate Counsel
August 26, 2016


abc7ny.com

On November 2, 2015, the U.S. EPA announced new findings expanding the Volkswagen emissions scandal to include not only additional Volkswagen models, but also models of Porsche and Audi. The EPA now maintains that emissions defeat devices were used in VW’s 2.0-liter diesel models, the 2014 VW Touareg, the 2016 Audi A6 Quattro, A7 Quattro, A8, A8L, Q5 and the 2015 Porsche Cayenne.

According to the EPA, the emissions defeat devices could detect when the vehicle was undergoing an emissions test and would automatically switch to a “temperature conditioning” engine mode. While in the “temperature conditioning” engine mode, settings for ignition timing, exhaust gas recirculation rate and common-rail fuel pressure were allegedly programed to produce high exhaust temperatures and low nitrogen oxide emissions. The high temperature exhaust would heat the vehicle’s selective catalytic reduction system, thereby reducing tailpipe emissions.

Volkswagen officials maintain that the company did not install the emissions defeat devices in its vehicles. Both Volkswagen and Porsche officials have said the companies will fully cooperate the EPA.


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