Electric cars go to D.C., green-car deals, Tesla vs dealers (again), EPA court ruling: Today’s Car News

Brand new Porsche 918 Spyder for sale with Weissach packageToday, a rare Porsche plug-in hybrid surfaces, we've got the month's green-car deals, Tesla is battling car-dealer lobbyists (again!), and advocates take electric cars to Washington, D.C. All this and more on Green Car Reports. Ten years ago last month, the U.S. Supreme Court ruled that the EPA not only could but must regulate carbon-dioxide...