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Exhibit 14-1

Biodiesel Production Cycle

Solar energy and carbon dioxide along with other inputs are used to grow crops that are in turn harvested and processed. As an example, soybeans are crushed to produce oil that is the basic material to be turned into biodiesel. The production process forces the vegetable oil to react with a catalyst to produce fatty acid esters, the chemical name for biodiesel. The fuel is then used in existing vehicles which also produce carbon dioxide.

For more information on this exhibit, please contact the Comptroller’s Data Services Division at 512-463-4900 or at P.O. Box 13528, Austin, Texas 78711-3528.

Source: PropelBiodiesel.

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