According to a recently released report from the U.S. Energy Information Agency, nearly 50% of all energy generated in this country comes from the burning of coal.
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Jeff Gibbs is right to be concerned about using trees and "woody" biomass for renewable electricity. We need to save some dead trees and limbs to recycle nutrients and feed the soil and forest ecosystem.
But along with its usual business of pulp-making, the century-old mill is doing something unprecedented: Developing technology to produce bio-butanol,...
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