Pictures courtesy VW Group
The United States
Environmental Protection Agency (EPA) has stated that it is issuing a second notice of violation (NOV) of the Clean
Air Act (CAA) to Volkswagen AG, Audi AG and Volkswagen Group of America, Inc.
This NOV is also being issued to Porsche AG and Porsche Cars North America.
These five companies are collectively referred to as Volkswagen (VW). The NOV
alleges that VW developed and installed a defeat device in certain VW, Audi and
Porsche light duty diesel vehicles equipped with 3.0 liter engines for model
years (MY) 2014 through 2016 that increases emissions of nitrogen oxide (NOx)
up to nine times EPA’s standard. The vehicles covered by the latest NOV are the
diesel versions of: the 2014 VW Touareg, the 2015 Porsche Cayenne, and the 2016
Audi A6 Quattro, A7 Quattro, A8, A8L, and Q5.
Meanwhile in a press
statement, Volkswagen said that EPA had informed the company that vehicles with V6 TDI engines had a
software function which had not been adequately described in the application
process. Volkswagen emphasised that no software has been installed in the
3-liter V6 diesel power units to alter emissions characteristics in a forbidden
manner. It said that company will cooperate fully with the EPA clarify this
matter in its entirety.
EPA and the California Air
Resources Board (CARB) have both initiated investigations based on Volkswagen’s
alleged actions. The NOV covers approximately 10,000 diesel passenger cars
already sold in the United States since MY 2014. In addition, the NOV covers an
unknown volume of 2016 vehicles.
These alleged violations are
in addition to the NOV issued on September 18 and the ongoing investigation by
EPA alleging a defeat device on certain 2.0 litre engines for MY 2009-2015
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“VW has once again failed its
obligation to comply with the law that protects clean air for all Americans,”
said Cynthia Giles, Assistant Administrator for the Office for EPA’s
Enforcement and Compliance Assurance. “All companies should be playing by the
same rules. EPA, with our state, and federal partners, will continue to
investigate these serious matters, to secure the benefits of the Clean Air Act,
ensure a level playing field for responsible businesses, and to ensure
consumers get the environmental performance they expect.”
"On September 25, the
California Air Resources Board sent letters to all manufacturers letting them
know we would be screening vehicles for potential defeat devices,” said Richard
Corey, Executive Officer of the California Air Resources Board. “Since then
ARB, EPA and Environment Canada have continued test programs on additional
diesel-powered passenger cars and SUVs. These tests have raised serious
concerns about the presence of defeat devices on additional VW, Audi and
Porsche vehicles. Today we are requiring VW Group to address these issues. This
is a very serious public health matter. ARB and EPA will continue to conduct a
rigorous investigation that includes testing more vehicles until all of the
facts are out in the open."
Following the September 18 NOV
issued for 2.0 litre engines, on September 25th EPA initiated testing of all
2015 and 2016 light duty diesel models available in the U.S using updated
testing procedures specifically designed to detect potential defeat devices.
That testing led directly to the alleged violations covered under today’s NOV.
The NOV is based on vehicle emission testing performed by the EPA’s National
Vehicle and Fuel Emissions Laboratory, CARB’s Haagen-Smit Laboratory, and
Environment Canada’s River Road Laboratory.
According to the EPA release,
the affected diesel models include:
-- 2014 VW Touareg
-- 2015 Porsche Cayenne
-- 2016 Audi A6 Quattro, A7
Quattro, A8, A8L, and Q5
Source: EPA / Volkswagen/ Motown India
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