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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 undergroundSolar 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.Dishing 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.'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.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 power'Micro' wind turbines are coming to town
February 10, 2006 A handful of start-ups are making mini turbines that go on top of city buildings and turn wind power into electricity. Photos: Harnessing windPowering 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 energyPlug 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 PriusFull 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 desertPint-size hydro power on tap
October 24, 2007 Start-up Rentricity designs a generator that brings hydroelectric power down to size for cites and towns.Solar 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 desertGoogle 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.Creating power out of thin air
October 26, 2007 Imagine a material that can suck in heat from the environment and power a notebook. A New Jersey company is aiming to do just that.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 sunlightA 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.Portable power from trash
June 22, 2007 AgriPower has developed a "virtual landfill" system that can produce electricity and heat by burning anything from nuts to old tires. Photo: Energizing trashSolar 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.Cutting 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. Sponsored matches for "electricity"
