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GENEVA, SWITZERLAND - MARCH 05: Audi CEO Rupert Stadler looks on as the Audi A3 Sportback e-tron is unveiled in world premiere during the 83rd Geneva Motor Show on March 5, 2013 in Geneva, Switzerland. Held annually the Geneva Motor Show is one of the world's five most important auto shows with this year's event due to unveil more than 130 new products. (Photo by Harold Cunningham/Getty Images)

GENEVA, SWITZERLAND - MARCH 05:  Audi CEO Rupert Stadler looks on as the Audi A3 Sportback e-tron is unveiled in world premiere during the 83rd Geneva Motor Show on March 5, 2013 in Geneva, Switzerland. Held annually the Geneva Motor Show is one of the world's five most important auto shows with this year's event due to unveil more than 130 new products.  (Photo by Harold Cunningham/Getty Images)

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VIENNA, AUSTRIA - JANUARY 10: This Audi e-tron is displayed during the Vienna Autoshow, as part of Vienna Holiday Fair on January 10, 2018 in Vienna, Austria. The Vienna Autoshow will be held from January 11-14. (Photo by Manfred Schmid/Getty Images)

VIENNA, AUSTRIA - JANUARY 10:  This Audi e-tron is displayed during the Vienna Autoshow, as part of Vienna Holiday Fair on January 10, 2018 in Vienna, Austria. The Vienna Autoshow will be held from January 11-14.  (Photo by Manfred Schmid/Getty Images)

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The Audi AG E-Tron Quattro Concept vehicle is displayed during the 2016 Consumer Electronics Show (CES) in Las Vegas, Nevada, U.S., on Wednesday, Jan. 6, 2016. CES is expected to bring a range of announcements from major names in tech showcasing new developments in virtual reality, self-driving cars, drones, wearables, and the Internet of Things. Photographer: Patrick T. Fallon/Bloomberg via Getty Images

The Audi AG E-Tron Quattro Concept vehicle is displayed during the 2016 Consumer Electronics Show (CES) in Las Vegas, Nevada, U.S., on Wednesday, Jan. 6, 2016. CES is expected to bring a range of announcements from major names in tech showcasing new developments in virtual reality, self-driving cars, drones, wearables, and the Internet of Things. Photographer: Patrick T. Fallon/Bloomberg via Getty Images

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The Audi rings logo sits illuminated on an Audi e-tron electric automobile, produced by Volkswagen AG (VW), charging station outside the Audi Forum at the Audi AG headquarters in Ingolstadt, Germany, on Monday, Oct. 26, 2015. The towns that became synonymous with Volkswagen's rise to the pinnacle of the auto industry are feeling the pinch of the diesel-emissions scandal, freezing spending on projects such as playgrounds amid the carmaker's abrupt fall from grace. Photographer: Krisztian Bocsi/Bloomberg via Getty Images

The Audi rings logo sits illuminated on an Audi e-tron electric automobile, produced by Volkswagen AG (VW), charging station outside the Audi Forum at the Audi AG headquarters in Ingolstadt, Germany, on Monday, Oct. 26, 2015. The towns that became synonymous with Volkswagen's rise to the pinnacle of the auto industry are feeling the pinch of the diesel-emissions scandal, freezing spending on projects such as playgrounds amid the carmaker's abrupt fall from grace. Photographer: Krisztian Bocsi/Bloomberg via Getty Images

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The Audi AG logo sits on the wheel hub of an Audi A3 e-tron electric automobile during the Volkswagen AG media night ahead of the IAA Frankfurt Motor Show in Frankfurt, Germany, on Monday, Sept. 11, 2017. The 67th IAA opens to the public on Sept. 14 and features must-have vehicles and motoring technology from over 1,000 exhibitors in a space equivalent to 33 soccer fields. Photographer: Krisztian Bocsi/Bloomberg via Getty Images

The Audi AG logo sits on the wheel hub of an Audi A3 e-tron electric automobile during the Volkswagen AG media night ahead of the IAA Frankfurt Motor Show in Frankfurt, Germany, on Monday, Sept. 11, 2017. The 67th IAA opens to the public on Sept. 14 and features must-have vehicles and motoring technology from over 1,000 exhibitors in a space equivalent to 33 soccer fields. Photographer: Krisztian Bocsi/Bloomberg via Getty Images