WHILE TRAVEL IN RIGHT MOST LANE NORTH ON 15 IN JEFFERSON TOWNSHIP, NJ, I HEARD A LOUD BANG FROM CAR. IMMEDIATELY ALL POWER WAS LOST. GIVEN ROAD HAD NO SHOULDER, I STOP THE CAR IN THE TRAVEL LANE. TURNED CAR OFF THEN TRIED TO RESTART. ALL DASH LIGHTS LIGHT UP INCLUDED CHECK ENGINE AND CHECK OIL. SMOKE STARTED APPEARING FROM ENGINE BAY. I TURNED IGNITION OFF, GRIPED CELL PHONE AND EXITED THE VEHICLE. I GRABBED MY CONSTRUCTION VEST FROM THE TRUCK. VEHICLE WAS STILL SMOKING. OPENED DRIVER SIDE DOOR AND HIT HOOD RELEASE TO CHECK FOR VISUAL DAMAGE. UNDER THE HOOD THERE WAS NO VISUAL DAMAGE BUT SMOKE WAS STILL COMING FROM UNDERCARRIAGE. I MOVED A SAFE DISTANCE FROM ROAD/VEHICLE AND CALLED POLICE STATION TO PROVIDED NOTICE OF DISABLED VEHICLE IN TRAVEL LANE. WHILE ON THE PHONE WITH POLICE FIRE STARTED FROM THE UNDERCARRIAGE. NOTIFIED POLICE TO SEND FIRE. FIRE ARRIVED WITHIN 5 MINUTES. HOWEVER, VEHICLE WAS ALREADY COMPLETELY ENGULFED IN FLAMES. EVEN WITH HEAVY SPRAY FROM FIRE HOSES CAR STILL BURNED FOR ALMOST 30 MINUTES UNTIL ALL GASOLINE FROM VEHICLE TANK WAS BURNED. WHEN HOOKING CAR IT WAS NOTED REAR DRIVESHAFT WAS SHEARED IN HALF. HTTPS://YOUTU.BE/3QY14OO1D-G