Investigators: Cause Of Fatal Car Explosion Unknown POSTED: 6:39 am EDT October 14, 2004 UPDATED: 12:46 pm EDT October 14, 2004 KISSIMMEE, Fla. -- Kissimmee police and fire investigators are trying to figure out what caused a car to explode, killing the driver. The car was parked at a Wal-Mart near the Osceola Parkway in Kissimmee. Matt Allison's family is struggling to comprehend the incomprehensible. "He's gonna be greatly missed," says Bill Toler, Allison's brother-in-law. One minute the 33-year-old husband and stepfather of two was alive and well at the 24-hour Wal-Mart. The next minute, flames consumed him and his...