ADVANCE FOR SATURDAY, APRIL 29 AND THEREAFTER - In a Saturday, April 22 photo, Danny Rowan of Aggrow Tech lifts the Miscanthus rhizomes to the planterThe University of Iowa has been burning the grass, known as Miscanthus, in its power plant to reduce its reliance on coal. The university wants to generate 10 percent of its energy from Miscanthus, using other biomass fuels for the other 90 percent, with the goal of reducing and eventually eliminating its dependence on coal by 2025. (Liora Engel-Smith/Muscatine Journal via AP)
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