2011 RAM WITH 53,000. METICULOUSLY MAINTAINED. DROVE ALL DAY AND SHUT IT OFF. SMELLED LIKE GAS. INSPECTED FOR LEAKS. DIDNT SEE ANY WITH A QUICK LOOK OVER. WENT INOT HOUSE. CAME BACK OUTSIDE 10 MINUTES LATER AND TRUCK WAS ON FIRE. IT WAS PARKED 4 FT AWAY FROM OUR HOUSE AND COULD HAVE BURNT THE WHOLE HOUSE DOWN.