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BMW i8 Concept

BMW i8 Concept

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NEW YORK, NY - APRIL 2: The 2016 BMW i3 is displayed during the New York International Auto Show on April 2, 2015 in New York City. (Photo by Cem Ozdel/Anadolu Agency/Getty Images)

NEW YORK, NY  - APRIL 2: The 2016 BMW i3 is displayed during  the New York International Auto Show on April 2, 2015 in New York City. (Photo by Cem Ozdel/Anadolu Agency/Getty Images)

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BMW i3 and electric charging point

BMW i3 and electric charging point

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BMW i3 Concept

BMW i3 Concept

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The vehicle charge point for a BMW i3, the electric automobile produced by Bayerische Motoren Werke AG (BMW), is shown during the unveiling of the vehicle during the world premiere launch in London, U.K., on Monday, July 29, 2013. To avoid the fate of other slow-selling electric vehicles, Bayerische Motoren Werke AG will offer the new i3 -- a battery-powered compact car -- with a unique option: the use of a sport-utility vehicle. Photographer: Simon Dawson/Bloomberg via Getty Images

The vehicle charge point for a BMW i3, the electric automobile produced by Bayerische Motoren Werke AG (BMW), is shown during the unveiling of the vehicle during the world premiere launch in London, U.K., on Monday, July 29, 2013. To avoid the fate of other slow-selling electric vehicles, Bayerische Motoren Werke AG will offer the new i3 -- a battery-powered compact car -- with a unique option: the use of a sport-utility vehicle. Photographer: Simon Dawson/Bloomberg via Getty Images