As discussed in the SFist Contributes tips page, what people heard in Ingleside Heights early yesterday morning was a mysterious car explosion. Witnesses saw a man park a car, get out of the car and into someone else's, and then the parked car burst into flames. Around 7:00 a.m, another car mysteriously exploded, this time in the Tenderloin at Ellis and Taylor. The two incidents aren't thought to be related -- but how weird. Gimmi......