A Fisker Karma luxury plug-in hybrid car is seen at the sixth annual Alternative Transportation Expo and Conference (AltCar) in Santa Monica, California in this file photo. Fisker Automotive has sued XL Group  after being denied insurance coverage over flooding from Superstorm Sandy that destroyed 338 of its Karma plug-in hybrids, worth about $33 million, at a Port Newark, New Jersey shipping facility. Reuters/Lucy Nicholson/Files