ENGINE SURGED AND VEHICLE SPED UP, ON IT'S OWN, WHEN PULLING INTO A PARKING LOT. VEHICLE COLLIDED WITH BOULDERS AND RAILROAD TIES CAUSING DAMAGE TO THE FRONT, REAR, UNDERCARRIAGE, AND RUPTURED THE FUEL TANK. WHEN THE VEHICLE CAME TO REST, PEOPLE WERE YELLING FOR THE OCCUPANTS TO "GET OUT" OF THE VEHICLE, BECAUSE FUEL WAS GUSHING ALL OVER THE GROUND. DRIVER IS 84 AND PASSENGER IS 82. BOTH SUSTAINED INJURIES TO THEIR SPINES AND DRIVER IS STILL IN THE HOSPITAL AS OF 3/8/2015. NEEDLESS TO SAY, THIS COULD HAVE BEEN MUCH WORSE. *TR