BERLIN, GERMANY - SEPTEMBER 22:  The logo of German carmaker Volkswagen is visible on the front of a Volkswagen car on September 22, 2015 in Berlin, Germany. Volkswagen CEO Martin Winterkorn apologized yesterday to consumers following allegations by the U.S. Environmental Protection Agency that the company had installed software into its diesel cars sold in the USA that manipulated emissions test results. Volkswagen share prices have plummeted by approximately 32% on the Frankfurt stock exchange since yesterday and the company faces a recall of at least 470,000 cars and up to USD 18 billion in fines.  (Photo by Sean Gallup/Getty Images)
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