DRIVING ON I -29 AND WE SMELLED COMETHING LIKE ANTIFREEZE THEN SMOKE. TRUCK LOST POWER THEN GOT IT BACK AND WAS GOING TO TRY TO MAKE IT TO AN EXIT BUT PULLED OVER WHEN SMOKE COMING FROM UNDER THE HOOD. OPENED THE HOOD AND SAW FIRE! CALLED 911 AND FIRE DEPT CAME BUT IN A MATTER ON MINUTES THE TRUCK BURNED UP COMPLETELY.