Solar3D says that tests of its three-dimensional solar cell design that “traps” sunlight suggest that a prototype could hit 25.47 percent efficiency.
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Feds Tell BPA It Can’t Cut Off Wind Power
Federal regulators rule the Bonneville Power Administration discriminated against wind generators when it shut down turbines in favor of its own hdyropower.
Turning High-Rise Rooftops Into Wind Farms
We chat with a founder of wind power startup Eastern Wind Power to learn about the firm’s 50-kilowatt vertical-axis wind turbine for building rooftops.
Analysis: Explaining the Cape Wind/FAA Ruling
While a recent court ruling may be a setback for Cape Wind, it reveals the complex interplay between federal agencies in permitting offshore wind in the U.S.
Solar Gadgets Galore: A Buying Guide
Solar gadgets come in all shapes and sizes. This shopping guide from Sierra Club Green Home offers some unique suggestions for solar powered gizmos.
China Pours Money Into Smart Grid Technology
Beijing upgrades its smart grid development plans to a strategic national priority, challenging the United States in yet another area of global clean tech innovation.
Moving Forward With A Balanced Approach To Solar Development On Public Lands
Responsible renewable energy development means needing to establish a program that is based on guiding solar development to appropriate places rather than being strewn about.
Intelligent Design: the Little Light Bulb Maker That Could
NRDC introduces readers to Technical Consumer Products, an Ohio money-saving lighting business that is revolutionizing the way consumers think about light in their homes.
Frankfurt Motor Show 2011: Opel RAK e Concept
Opel, a European branch of GM, has released more details of its electric vehicle concept that looks to target younger drivers in urban markets.
A Green Bank Is the Right Tool for Jobs
Center for American Progress calls for the creation of a national Green Bank that will finance the clean energy solutions that are proven job creators.
Cars and the City: A Look at the Future of the Automobile
NRDC Federal Transportation Policy Director Deron Lovaas takes a look at the future of automobile, especially as the driving population gets more urbanized.
He’s A Solar Pioneer, And Barely A Teen
Aidan Dwyer, just 13 years old, wins a Young Naturalist Award for investigating the Fibonacci sequence and applying it ingenuously to solar-power collection.
Vertical Turbines, Packed Tight, Boost Power
They’re shorter and smaller, but vertical-axis wind turbines in a tight array are 10 times as efficient as traditional turbines, Caltech researchers say.
Cleantech Loan Guarantees: A Tangled Tale
A key aspect of the federal government’s loan guarantee program for renewable energy development is winding down after a tumultuous two-plus years. We review it.