Geothermal heating system draws on limitless fuel: sewage

Among the many renewable energy sources - wind, solar, hydroelectric, biofuels - there is one to which we all contribute that has not yet managed to attract the romantic advocates who have embraced other forms of green energy.

Grass to gas: Researchers' genome map speeds biofuel development

Researchers at the University of Georgia have taken a major step in the ongoing effort to find sources of cleaner, renewable energy by mapping the genomes of two originator cells of Miscanthus x giganteus, a large perennial ...

Single microbial gene linked to increased ethanol tolerance

(PhysOrg.com) -- A team of researchers from the Department of Energy's BioEnergy Science Center has pinpointed a single, key gene in a microbe that could help streamline the production of biofuels from non-food sources.

Researchers find potential key for unlocking biomass energy

Researchers at the U.S. Department of Energy's Los Alamos National Laboratory and Great Lakes Bioenergy Research Center have found a potential key for unlocking the energy potential from non-edible biomass materials such ...

Grasses have potential as alternate ethanol crop, study finds

Money may not grow on trees, but energy could grow in grass. Researchers at the University of Illinois have completed the first extensive geographic yield and economic analysis of potential bioenergy grass crops in the Midwestern ...

US decision on ethanol blend put off until fall

(AP) -- The Environmental Protection Agency says it will wait until this fall to decide whether U.S. car engines can handle higher concentrations of ethanol in gasoline.

EADS to unveil algae-powered aircraft

European aerospace giant EADS is poised to unveil a "hybrid" aircraft which runs on algae fuel, a world first, its technical director said on Friday.

Fermenting fodder into fuel

(PhysOrg.com) -- As climate change challenges continue to crop up around fossil fuel use and greenhouse gas emissions such as carbon dioxide, identifying renewable fuel materials and developing processes that produce environmentally ...

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