Josh Tickell is creator and director and Rebecca Harrell is the producer of this 2008 Sundance Audience Award Winning documentary. “America’s addicted to oil, it’s time for an intervention.” This film interviews everyone from Sheryl Crow to Willie Nelson about alternative fuels that could save the nation from oil dependency. Tickell, author of “From the Fryer to the Fuel Tank” and “Biodiesel America,” talks here about the problems of using corn and the possibilities of using algae, among other future sources, for energy.