CAR WAS DESTROYED IN THE FIRE. FIRE OCCURRED WHILE BEING DRIVEN. IT APPEARED THAT A SIGNAL WAS BEING TRANSMITTED TO PUMP MORE GAS EVEN THOUGH CRUISE CONTROL WAS NOT ENGAGED. EVENTUALLY, GASOLINE FROM THE LINE IGNITED WHILE DRIVING, LEAVING A TRAIL OF LIGHTED FUEL ON THE HIGHWAY. I PULLED OVER, AND THE CAR BECAME ENGULFED IN FLAMES. LIQUID FIRE COULD BE SEEN POURING OUT OF AREA UNDER THE HOOD BELOW THE WINDSHIELD NEAR THE FOOT WELL.