ABOUT 10 MILES INTO MY TRIP, ON INTERSTATE 81 ON STRAIGHT ROADWAY, DRY PAVEMENT; SPEED 63 MILES PER HOUR; MY VEHICLE BEGAN TO LOOSE POWER AND MY SPEED WAS DECREASING. I PULLED TO THE SIDE OF THE ROAD AND MY VEHICLE WENT BLACK. I NOTICED SMOKE ON THE PASSENGER SIDE OF CAR COMING FROM UNDER THE HOOD. WITHIN MINUTES THE FRONT OF MY CAR WAS ENGULFED IN FLAMES. VEHICLE HAD APPROX. 16,700 MILES ON IT. UNKNOWN CAUSE.