Not sure how to link to it, but it's on the Golden Gate Bridge reviews. Review by LMD241 on July 4, 2012. Now that I re-read it, I think I see what they mean, but I mis-interpreted the first time: Reviewed July 4, 2012 NEW.
The Fisker Karma is a premium plug-in range-extended electric[5] luxury sports sedan produced by Fisker Automotive in 2012.
Esker, also spelled eskar, or eschar, a long, narrow, winding ridge composed of stratified sand and gravel deposited by a subglacial or englacial meltwater stream. Eskers may range from 16 to 160 feet (5 to 50 m) in height, from 160 to 1,600 feet (500 m) in width, and a few hundred feet to tens of miles in length. They may occur unbroken or as detached segments. The sediment is sorted according to grain size, and cross-laminations that show only one flow direction commonly occur.