Filed under: EV/Plug-in, Hybrid, AutoblogGreen Exclusive, Fisker, Business of Plugging InWith his company about to announce its first U.S. plant in Delaware, CEO Henrik Fisker was in high spirits and high demand at last week's Business of Plugging In conference in Detroit. We were able to pull the busy man aside for a few minutes to ask for more information on how his company plans to make money - will they really find 5,000+ people willing to pay $89,000 for the Karma plug-in hybrid? -...