30 MINUTES AFTER IGNITION TURNED OFF AND PARKED AFTER DRIVING IN 4-WHEEL DOWN A 1/2 MILE SNOWY DRIVEWAY, MY 2007 SILVERADO DURAMAX 2500HD PICK-UP TRUCK WAS TOTALLY ENGULFED IN FLAMES AND BURNED TO A CRISP. FORENSIC FIRE INSPECTOR SAID IT STARTED IN FRONT RIGHT ENGINE COMPARTMENT; NO ARSON. FIRE DEPARTMENT PUT IT OUT; POLICE REPORT SAID NO ARSON. *TR