Filed under: EV/Plug-in, Hybrid, Tesla Motors, Green Daily, FiskerIn some ways, the all-electric Tesla Roadster and the plug-in hybrid Fisker Karma don't compete. The difference in powertrains, which will filter down to the two compaies' lower-cost models, the Tesla Model S and Fisker's Project Nina vehicle, means that slightly different consumers are going to be interested in these cars. In other ways, though, Fisker and Tesla go head-to-head for the luxury green car market, and Tesla CEO...
