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Solar cell breaks efficiency record
December 6, 2006 It converts almost 41 percent of light that hits it into electricity, almost double the efficiency of current commercial cells.Shrinking the cost for solar power
May 11, 2007 With a big facility and careful planning, it's possible to produce solar power for a competitive price, experts say.Saving wind power for later
March 27, 2007 Start-up General Compression looks to commercialize concept for storing electricity generated by wind turbines using compressed air.Image: Pumping wind power undergroundDishing out power with a solar engine
October 25, 2006 Infinia looks to an existing technology--the Stirling engine--to compete in solar-electric industry.Photos: Retro energy-harnessPolyester fabric neutralizes stun gun jolt
April 5, 2006 Some fabrics repel moisture; Thor Shield repels electricity and can render a stun gun useless.Solar industry chases a cheaper kilowatt
March 9, 2006 After decades of promise, solar power is starting to pay off via more efficient and affordable tech. Photos: The many faces of the solar powerPlug in your hybrid, pollute less?
April 28, 2006 Maybe yes, maybe no. A lot depends on where you live and how your electricity gets produced. Photos: A souped-up PriusPowering cities on landfill waste
June 6, 2007 A start-up is opening a plant that will convert municipal waste into electricity through a cleaner process than burning.Photo: Turning waste into energySolar thermal energy making a comeback
June 7, 2007 The first solar thermal project in years has cranked to life, and more will follow. Images: Solar thermal heats up in the desertCutting solar panels' high price tag
September 25, 2007 Industry luminaries will meet this week at the annual Solar Power 2007 to celebrate booming business. But high costs remain a barrier to wider adoption.Utility, commodity: IT to follow electricity?
March 11, 2005 Sun President Jonathan Schwartz says there are telling parallels between the rise of the electricity and technology industries.Full steam ahead for Nevada solar project
March 12, 2007 A new power plant in the desert taps into solar-thermal energy to pour on the electricity for nearby Las Vegas.Images: Solar thermal heats up in the desertA Taser shotgun for long-range electrifying
February 14, 2006 Maker of controversial stun guns completes testing on a shotgun that delivers a walloping dose of electricity.Google to enter clean-energy business
November 27, 2007 Search giant earmarks hundreds of millions of dollars with the goal of generating a gigawatt of clean energy that's cheaper than coal.MIT-led study finds geothermal energy potential untapped
January 22, 2007 Heat mining technology can be improved and deployed broadly to generate clean electricity, says an Energy Department-sponsored report.Solar thermal plants go back to the future
September 10, 2007 Start-up Ausra nabs $40 million in venture capital to build utility-scale solar power plants, an idea that is again gaining traction. Photo: Collecting sunlightSolar star Konarka raises another $20 million
February 14, 2006 Konarka, which specializes in plastics that convert light into electricity, has raised $20 million in its latest round of venture funding.'Power plants' in the basement heat up
January 31, 2007 Combined heat and power system sized down to the average home packs on-site power generation and high energy efficiency.The fatal flaw for green-tech companies
February 5, 2008 There's a chance green products will save the world, so why are they so boring compared to a cell phone with a built-in TV?Pour yourself a silicon solar panel
October 12, 2007 Start-up claims it can create crystalline silicon solar cells with liquid, cutting manufacturing costs in half.
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