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nique is. There is no doubt that as we apply new biological techniques, catalyst programs, and chemistry, we will make it even better.

Richard Wool: How much fossil fuel energy is expended in breaking the starch down into sugars?

Patrick Gruber: I have the numbers for total percent of the PLA, but I don't remember exactly. It is very small, because it is a highly efficient enzymatic process that takes place under mild conditions.

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