Envirodocs are raising awareness and drawing crowds

"In 1997, Louisiana native Josh Tickell did something many recent college graduates do: He took a road trip. But this wasn't a vacation with buddies. It was a two-year cross-country journey in the Veggie Van, a Winnebago painted with sunflowers and powered by a substance most Americans hadn't yet heard of -- biodiesel."

- By Shannon L. Bowen, AP, The Hollywood Reporter

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