Every time you get in a traffic jam, you dream of pulling a lever, adding wings to your car, and soaring over the rest of the poor drivers. And then you wonder: Where's my flying car? The truth is, flying cars have existed for decades. You just wouldn't want most of these.
IBM's wants to patent a geegaw called the "SYSTEM AND METHOD FOR CONTROLLING VEHICLE ENGINE RUNNING STATE AT BUSY INTERSECTIONS FOR INCREASED FUEL CONSUMPTION EFFICIENCY." In other words, the traffic light is in charge of when you stop and go.