Talking sustainability

March 2, 2010 | 5:07 p.m. CST
Cloe Whittaker and Tyson Jerry give a presentation about sustainability to an environmental science class at Rock Bridge High School on Tuesday. Whittaker and Jerry are driving around the United States and Canada in a van fueled by vegetable oil in an attempt to break the Guinness World Record for the longest journey by car using alternative fuel.

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