| http://www.w3.org/ns/prov#value | - ??????four billion gallons of advanced renewable biofuels, other than ethanol derived from cornstarch, that achieve a life cycle greenhouse gas threshold of at least 50 percent; and ??????16 billion gallons of cellulosic biofuels produced from wood, grasses, or non-edible plant parts such as from corn stalks and wheat straw.
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