A federal appeals court rejected challenges to prevent the increase of ethanol in gasoline. Bentley just previewed its latest automobile at the Pebble Beach Concours, the Mulsanne Convertible Concept. Many Ford Ranger owners are switching to other brands including Chevrolet, Toyota and Nissan. All that and more, plus guest host, David Kiley of AOL Autos shares a few of his thoughts on the car business.