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Electricity
65 Stories
Greenhouse gas emissions from fossil-fuel-based electricity generation is a major contributor to climate change. How can we make zero-emission technologies more than just a sideshow?
A Back-of-the-Panel Boost for Solar Power
Chinese photovoltaic giant Suntech looks to electronics to help squeeze more power out of solar arrays.
October 14, 2010
Making Smart Windows that Are Also Cheap
“Tunable” windows would let people adjust light and heat levels, but so far it’s been hard to make them affordable.
August 13, 2010
A Sticker Makes Solar Panels Work Better
A startup’s polymer sticker increases power output by 10 percent, and can be applied to panels that are already installed.
August 10, 2010
A Boost for Battery Life and Capacity
Electric cars could benefit from a new manufacturing method.
July 28, 2010
Fuel from the Sun
The DOE funds a research center aimed at making artificial photosynthesis practical.
July 27, 2010
Bumpy Coatings for Better Solar Cells
A simple method applies nanoscale texturing over large areas.
July 22, 2010
Nanopillars that Trap More Light
The new design could lead to cheaper solar cells.
July 16, 2010
Solar Cell Maker Gets a $400-Million Boost
Abound Solar says it has a simpler process to make cadmium-telluride solar cells.
July 14, 2010
Solar Plane Lasts All Night Long
Nighttime flight is an important milestone–but solar power is unlikely to transform aviation.
July 9, 2010
A Guide to Recent Battery Advances
Battery breakthroughs could lower costs and improve performance for electric vehicles and renewable energy storage–but commercializing these new technologies will be challenging.
June 29, 2010
The German Experiment
The government sets a premium price on solar and other alternative power sources. The policy offers lessons in ways to encourage the use of renewable energy.
June 22, 2010
Solar's Great Leap Forward
Suntech CEO Zhengrong Shi made China a powerhouse in photovoltaic technology–and became a billionaire in the process. His next ambition: to make solar power as cheap as conventional electricity.
June 22, 2010
Nanotubes Give Batteries a Jolt
Lithium-ion batteries with nanotube electrodes could go longer between charges.
June 21, 2010
An Energy-Saving Air Conditioner
Evaporative cooling plus drying with desiccants equals cool air for less cost.
June 17, 2010
High-Wire Robot to Inspect the Grid
Researchers think the solar-powered device could survey aging electrical lines.
June 9, 2010
"Light Pipes" Boost Organic Solar Efficiency
A layer of optical fiber bristles doubles the performance of organic solar cells in tests.
May 12, 2010
Offshore Wind: Expensive but Politically Popular
Approval of Cape Wind could signal a boon in offshore wind projects.
May 3, 2010
Home Sensor Startup Snapped Up
Belkin buys Zensi, which makes sensors to track domestic energy and water usage.
April 28, 2010
Solar Cost Cutter
April 20, 2010
Fuel-Cell Power Boost
April 20, 2010
Suntech Stresses R&D
China’s solar giant shifts its strategy.
April 9, 2010
GE to Boost Research in China
The company plans to develop products in China, for China.
April 8, 2010
Chinese Wind Power Heads Offshore
Breezy tidal flats offer green power on the doorstep of China’s bustling seaboard.
April 5, 2010
Wave Energy Scales Up Off Scotland
Ten wave and tidal projects will generate 1.2 gigawatts of power.
March 25, 2010
GE to Make Thin-Film Solar Panels
Its entrance to the market could help make solar power cheaper.
March 24, 2010
Increasing Yield from Gasification
A new process can make more fuel from biomass.
March 19, 2010
Giving Plastic Solar Cells an Energy Boost
Plastic cells are lighter than silicon ones, but they’re not as efficient–one company aims to fix that.
March 16, 2010
Turning Gas Flares into Fuel
Microreactor developers race to turn troublesome gas into usable crude oil.
March 15, 2010
Smarter Chargers for Electric Vehicles
The devices could help stabilize the grid, and make charging electric cars cheaper.
March 15, 2010
Making More Solar Cells from Silicon
1366 Technologies hopes to cut the cost of solar with cheaper manufacturing.
March 4, 2010
From Waste Biomass to Jet Fuel
Fuel made from waste by-products could lower greenhouse gas emissions.
February 25, 2010
Bloom Reveals New Fuel Cells
Its 100-kilowatt modules have been sold to Google, eBay, and Walmart.
February 25, 2010
Scaling Up Solar Power
Applied Materials makes the equipment needed to produce the biggest solar panels in the world.
February 23, 2010
Solar Cells Use Nanoparticles to Capture More Sunlight
Optical antennas could help solar cells produce more energy.
February 19, 2010
Nanopillars Boost Solar Efficiency
A new design can make more-efficient thin-film solar cells using existing manufacturing equipment.
February 17, 2010
"Melting" Drywall Keeps Rooms Cool
Developers think these phase-change materials could reduce the need for air-conditioning.
February 4, 2010
Clean-Coal Power Plant Set for Texas
The project will capture CO
2
by using it to “loosen” the oil in existing wells.
January 30, 2010
Cleaner Jet Fuel from Coal
A new process could allow Air Force jets to run exclusively on domestically produced biomass and coal.
January 25, 2010
Why Geoengineering?
We should study the costs and consequences of solar radiation management.
December 21, 2009
Using CO
2
to Extract Geothermal Energy
Carbon dioxide captured from power plants could make geothermal energy more practical.
November 16, 2009
Superconductors to Wire a Smarter Grid
A superstation for connecting three independent grids could help solar and wind power.
November 12, 2009
Stealth-Mode Wind Turbines
Coatings and composites ease the air-traffic worries dogging wind power.
November 2, 2009
Ultracapacitor Startup Gets a Big Boost
An energy storage startup gets new government funding.
October 30, 2009
Commercializing Garbage to Ethanol
Startup Coskata has opened a “semi-commercial” ethanol plant to demonstrate its technology.
October 15, 2009
Natural Gas Changes the Energy Map
Vast amounts of the clean-burning fossil fuel have been discovered in shale deposits, setting off a gas rush. But how it will affect our energy use is still uncertain.
October 15, 2009
Biofuel from Sewage
Qteros forms a partnership to use sewage as a feedstock for making ethanol.
October 13, 2009
Material to Chill "Dirty" Fuel Cells
A new anode allows solid-oxide fuel cells to function at lower temperatures.
October 1, 2009
Cleaning Up on Dirty Coal
A novel gasification process for low-quality coal heads to China.
September 29, 2009
GE's Risky Energy Research
Michael Idelchik, VP of Advanced Technologies, discusses energy research.
September 25, 2009
Mixing Solar with Coal to Cut Costs
A new strategy could reduce coal plant emissions and cut the cost of solar power.
September 4, 2009
Companies to Watch: Public Companies
August 18, 2009
Sideshow
August 18, 2009
Giving Up on Grids
August 18, 2009
Venture Capitalists Struggle with Renewables
August 18, 2009
Research to Watch
August 18, 2009
Companies to Watch: Private Companies
August 18, 2009
Can Renewables Become More than a Sideshow?
August 18, 2009
The Energy Belts
August 18, 2009
Clean-Energy Bill Will Have Little Impact
August 18, 2009
Coping with CO
2
August 18, 2009
Data Shots
August 18, 2009
Solar Power Will Make a Difference--Eventually
August 18, 2009
Intelligent Electricity
August 18, 2009
Q&A: Mark Little, Head of GE Global Research
The head of research at GE discusses the stimulus package and new technologies for addressing climate change.
July 21, 2009
A Costly and Unnecessary New Electricity Grid
A national interstate system for distributing power may prove an expensive boondoggle.
July 14, 2009