The 2009 Detroit auto show was all about cars of the future. Well, the future’s here for Fisker, which showed off its 2010 Karma, a plug-in electric vehicle with a solar-paneled roof. Cars.com’s Joe Wiesenfelder takes a tour of the $80,000 car in this video, and he’s thoroughly impressed by the size, space and — to keep the vehicle audible — the speakers that can broadcast the sound from a jet engine.