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Alternative Energy Sources

Leland Teschler's Editorial: What’s hot? Not ethanol

This special issue looks at some of the technologies and industrial themes that are eliciting a lot of interest in the technical community.

Green Technology: Jets Gear up to Fly Greener

Pratt & Whitney’s geared turbofan program is set to take to the skies with innovations ranging from reduction gearing to low-emission combustion cycles.

Blending Soybean Oil and Fuel Oil Will Help Keep Houses Warm and Reduce Sulphur Emissions and U.S. Dependence on Foreign Oil

Blending soybean oil and fuel oil will help keep houses warm and reduce sulphur emissions and U.S. dependence on foreign oil.

Battery-Powered Italian Plane, the SkySpark Project, Flies 155 mph

Battery-powered Italian plane, the SkySpark Project, flies 155 mph.

Structural Design Reduces Solar-Electric Power-Plant Costs and Improves Solar-Generating Efficiency

Extruded aluminum framing improves solar-thermal collector efficiency, economics.

Heat-Powered Generator Demonstrates Seebeck Effect
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Heat-powered generator demonstrates Seebeck effect

New Alloy Makes Magnetic Cooling Economical

New alloy makes magnetic cooling economical

World’s Largest Laser Gets Ready for Fusion Experiments

World’s largest laser gets ready for fusion experiments

New Catalyst Makes Ethanol-Powered Fuel Cells Possible

New catalyst makes ethanol-powered fuel cells possible.

Algae Automation
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Producers are now taking baby steps toward mechanized bioreactors in the hope of producing mass quantities of fuel based on algae.

Coated Solar Cells Capture More Sunlight
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Engineers at Rensselaer Polytechnic Institute have developed a coating that makes solar cells more efficient

Biomass Helps Power National Lab
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The Savannah River National Lab, Aiken, S.C., recently replaced a 1950s era coal-burning steam generating plant with a state-of-the-art facility that will burn biomass, mostly wood from the local logging industry

A Fuel Tank for Hydrogen

Engineers developing hydrogenpowered cars could get a welcome from discoveries recently made at Lawrence Livermore National Laboratory. A cryogenic pressure vessel developed there can hold liquid hydrogen at -420°F.

Sustainable Engineering: Air Carriers Try to Make Biofuels Fly

The Sustainable Aviation Fuel Users Group first priority will be to complete thorough assessments of sustainable plant sources, harvesting and economic impacts, and processing technologies.

Using a Fungus to Make Fuel

The same fungus that plagued soldiers in World War II as it ate their tents and uniforms is now leading engineers at Los Alamos National Laboratory to a new method for turning plants into ethanol.

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