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Technically Incorrect: As part of publicizing his support for the Omniprocessor, which takes sewer sludge and turns it into clean water and energy, Gates offers the comedian the ultimate "taste test."
Researchers from the University of Georgia believe they have discovered a method that could turn CO2 from the air into useable industrial products.
Innovation in renewable energy today draws on years of research and experimentation in the quest to displace fossil fuels.
Projects funded include those utilizing ethanol, biodiesel, and landfill gas made from a variety of renewable biomass resources.
National Research Council says that without "major technological innovation or policy changes" long-term targets for cellulosic biofuels are not likely to be met.
Government researchers say they've successfully engineered a substance called bisabolane into a biosynthetic alternative to diesel fuel.
Critics say it is a failure of government policy, not science, that the U.S. is still so dependent on corn for its biofuels.
Solar, wind, and hydropower could supply the bulk of energy demand by the middle of the century but there are substantial political and technical barriers to that change.
The plant hopes to prove that converting feedstock, forestry waste, agricultural waste, and household yard and vegetable waste into biofuels is commercially viable.
Government is supporting the development of new feedstocks for ethanol to ease dependence on corn.