Ethanol industry turns to plant residue, scraps
The drought heightened criticism about the vast amount of corn used to brew up ethanol rather than be transformed into animal feed or other foods.
DES MOINES, Iowa — After decades of talk, the ethanol industry is building multimillion dollar refineries in several states that will use corn plant residue, wood scraps and even garbage to produce the fuel additive.
The breakthrough comes at a key time for the industry, after the drought heightened criticism about the vast amount of corn used to brew up ethanol rather than be transformed into animal feed or...
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