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Energy

Efficient Thin-Film Solar Cells
Efficient Thin-Film Solar Cells
The first prototype cell to use photonic crystals looks promising.
Realizing Lithium-Battery Potential
Realizing Lithium-Battery Potential
Nanoporous silicon that soaks up ions without self-destructing can make better batteries.
A New Twist on Hydropower
A New Twist on Hydropower
A mechanical device mimics how fish harness energy from water flow.
Europe Backs Supergrids
Europe Backs Supergrids
Recent efforts show hope for regional transmission planning for renewable power.

More Energy Stories

A Design for Cheaper Wind Power
A design that draws on jet engine technology could halve the cost of generating electricity from wind.
Electricity from Waste Heat
Ener-G-Rotors' system harvests energy at lower temperatures.
A Weed-Powered Passenger Jet
Jet fuel made from an inedible plant will power an aircraft.
Observing Buried Carbon Dioxide
A project proves that millions of tons of the sequestered gas can be safely monitored.
BMW's Electric Car
The new Mini borrows a drive system from a high-performance electric sports car.
Better Wind Turbines
A more efficient generator could convert more of the wind's energy into electricity.
Making Silicon Less Reflective
A silicon coating could boost the efficiency of solar cells.
Better Plastic Solar Cells
Improved dyes and electrolytes could make the Grätzel solar-cell design more practical.
Laser Sensors for Wind Turbines
A system that detects gusts before they arrive reduces wear, boosts output.
Carbon-Capturing Rock
Geologists discover that certain rock formations could sequester large amounts of carbon dioxide.
A Fuel-Sipping Engine
An engine from Lotus and Continental Powertrain consumes 15 percent less fuel.
Black Silicon
A new type of silicon promises cheaper, more-sensitive light detectors.
Cheaper Butanol from Biomass
A startup has raised $25 million for inexpensively producing biofuel.
Reactors for the Middle East
New designs could decrease the chances that nuclear materials will fall into the hands of terrorists.
Nov • Dec Issue
Sun + Water = Fuel
With catalysts created by an MIT chemist, sunlight can turn water into hydrogen. If the process can scale up, it could make solar power a dominant source of energy.
Mass Production of Plastic Solar Cells
A novel photovoltaic technology moves into large-scale production.

Energy Blogs

Ford's Bailout Plea Focuses on Energy Efficiency
Fixing the Economy with Green Jobs
Limiting Coal Targets to Fight Climate Change
"Get Coal Out of the System"
Renewable-Fuels Standard Glitch
Killing the Gas Guzzlers in Australia
Holding Back the Wind
Bailout Credits Renewables
Is There a Clean-Tech Bubble?
CNET Reports from EmTech08

News from Around the Web

Automakers, DOE Award Battery Technology Development Contract to Celgard
The U.S. Department of Energy and a consortium made up of General Motors, Ford and Chrysler today announced the award of a $2.3 million contract ...
GridPoint and GM Demonstrate Smart Charging Capabilities
At the Electric Drive Transportation Association (EDTA) conference in Washington, DC, GridPoint and GM are teaming to demonstrate the ability to actively manage plug-in vehicle ...
Well, Someone's Coming: Fisker To Reveal Production Plug-In at Detroit Auto Show
Fisker is hoping to generate new buzz with the official production version of the exotic plug-in hybrid sports sedan.
National Oil Companies Gaining Predominance
Petroleum Intelligence Weekly published its annual ranking of the world's 50 largest oil companies, a benchmark survey now in its 20th year. The main trend ...
Germany Aiming for 1M EVs and PHEVs by 2020
The German government wants to take strong measures towards electric and hybrid vehicles in the next ten years, with the goal of putting one million ...

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A Design for Cheaper Wind Power
A Design for Cheaper Wind Power

A design that draws on jet engine technology could halve the cost of generating electricity from wind.
(4min 59sec)

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Technology Review November/December 2008
Sun + Water = Fuel
An MIT chemist has opened the way to making hydrogen fuel from water using sunlight.
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