Ethanol production is gradually becoming more efficient.
Danish biofuel firm Novozymes says it has developed a new enzyme that will help ethanol producers make more fuel while using less corn.
Novozymes, which has a major enzyme plant in Blair, says its Avantex enzyme makes corn ethanol production 2.5 percent more efficient.
Novozymes officials say the development should help ethanol producers at a time when corn prices are high and profit margins remain narrow.
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