Matter Network, a venture founded by former Autopia contributor John Gartner, has sent a film crew to tag along with the production team for "Fields of Fuel," a feature about biodiesel, now showing at Sundance.

Of 3,624 feature-length submissions at Sundance this year, only 121 were selected to screen. Of these, only two touched on environmental themes. The big question facing the crew is whether "Fields of Fuel" can find a distributor.

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