What has four doors, fuel cells, solar panels, and a plug-in electric system? Hopefully, the vehicles we’ll all be driving in next few years. Volkswagon unveiled their “space up! Blue” concept car this past weekend in Los Angeles, further proving that Gov. Ahnold’s plans for “hydrogen highways” aren’t merely science fiction. Dwell.com has more.Thank you for visiting the Swell blog. Visit us on www.facebook.com/swell for more exclusive fan offers, giveaways and more.