Preview Of The Seoul Motor Show [Getty Images]

A Kia Motors Corp. Stinger vehicle stands on display during the press day of the Seoul Motor Show in Goyang, South Korea, on Thursday, March 30, 2017. Hyundai Motor Co. and Kia plan to have 28 eco-friendly models by 2020, including a Kiafuel-cell car and a luxury Genesis electric vehicle. Photographer: SeongJoon Cho/Bloomberg via Getty Images

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