“In a plot that needed a transfusion somewhere mid-stream, a vampire-mobile is the car of the hour for Madam Ferat, who uses its fanged gas pedal to draw blood from the foot of the driver as he, or she, accelerates — for the car “runs” on blood. A physician begins to investigate the strange car after his fiancée, an ambulance driver, races the four-wheeled vampire rig and realizes it is a bit odd . Halloween goings-on are mixed in with traffic accident statistics in what …