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having a narrow front on the Nissan Bladeglider EV is not for aerodynamic advantage, it's for lateral weight transfer advantage. About 24 inches wide, and the cornering load is shared about equally on the two front tires, in contrast to a normal wide front spacing equal to the width of the rear tire track when the outside tire attempts to control the traction under more weight transfer.
Found on Autoweek July 21st 2014 issue, Wes Raynal article
http://cwweb.cr.atl.publicus.com/article/20140625/CARREVIEWS/140629918