Fisker's Karma woes aren't relenting anytime soon, as one new owner just found out the hard way. A driver in Sugar Land, Texas parked his recently obtained hybrid sedan in his garage last week, only to have the car self-immolate minutes later and damage his new home. Despite the slight risk of lithium-ion batteries catching fire, the luxury car's power pack (unplugged at the time) appears to have been left in one piece -- suggesting that something more complicated is at fault. For their part, neither Fisker nor insura