1809 2015 Californian Air Resource Board sends a letter to VW Hebert 2015 US

1809 2015 californian air resource board sends a

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18.09.2015 Californian Air Resource Board sends a letter to VW (Hebert, 2015). U.S. EPA orders recall for certain 2009-2015 VW car models with 2.0L TDI engines and makes the issue public. Public discussion on the Volkswagen scandal explodes; Volkswagen Group of America, Inc. announces an immediate stop-sale on new 4 cylinder TDI vehicles in dealer inventory. (EPA, 2015; “EPA, C,. 2015, EPA, California Notify Volkswagen of Clean Air Act Violations / Carmaker allegedly used software that circumvents emissions testing for certain air pollutants,” 2015) Volkswagen Emission Crisis – Managing Stakeholder Relations on the Web179
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Table 1: Volkswagen emission scandal story line (Cont.). Date Events 20.09.2015 CEO of Volkswagen group Martin Winterkorn issues an apology for cheating during the emission tests on a video, (“Volkswagen CEO apologizes for cheating | Business | DW.COM | 20.09.2015,” 2015) 21.09.2015 Volkswagen Canada launches stop-sale policy as above; the share value of Volkswagen group drops 23% after admitting diesel emission cheating (Weiss, 2015) 23.09.2015 Mr. Winterkorn resigns and takes the responsibility as the CEO for the scandal. (“Martin Winterkorn resigns as Volkswagen CEO,” 2015) 25.09.2015 Volkswagen USA launches a webpage with information and possibility to identify the affected vehicles and – later- to claim goodwill packages . The same day in the US, EPA starts testing all light duty diesel vehicles with a new testing procedure in order to detect cheating devices (EPA, 2015) 29.09.2015 New CEO of VW group, Matthias Müller announces a refit plan for emission rigged vehicles. (“New VW CEO says cars hit by emissions-rigging scandal to be refitted,” 2015) 07.10.2015 Volkswagen announces the recall strategies to start in January 2016 and promises to by the end of 2016 fix the affected vehicles. (Houston-Waesch, 2015) 08.10.2015 President and CEO of Volkswagen US had the testimony before the house committee on energy and commerce subcommittee on oversight and investigations. (Twitter, 2015) 22.10.2015 The emergence of new engine emission scandal; the CO2 emissions are also larger than announced in certain VW person cars. This is a follow up issue. (Kottasova and Thompson, 2015) 02.11.2015 More branches from Volkswagen were found to have a similar cheating system on 3.0L TDI engine for 2014-2016 models (EPA, 2015) 09.11.2015 VW announces a $1000 goodwill package for the owners of affected vehicles in USA (Beene, 2015) 19.11.2015 VW admits to US EPA that the cheating device for the 3.0L TDI engines has been in use since 2009 (EPA, 2015) 25.11.2015 Audi, Porsche, VW ordered by CARB to recall in order to repair emissions software. (“CARB Forcing VW, Audi, Porsche to Fix More Diesels | TheDetroitBureau.com,” 2015) 09.12.2015 The company explains that the CO2 issue is over (Zollino, 2015) 10.12.2015 VW explains that the corporate culture and some lower level managers were responsible for the scandal. Schedule for recalls of cars equipped with 1.2L, 1.6L and 2.0L diesel engines announced for 2016 (Ruddick, 2015) 3.2 Twitter Data Set Collection and Its Analysis In Twitter, the tweets were collected relying on the streaming API using the selection predicate: [(‘VW’ or‘Volkswagen’) and
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