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Energy

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.
Electricity from Waste Heat
Electricity from Waste Heat
Ener-G-Rotors' system harvests energy at lower temperatures.
A Weed-Powered Passenger Jet
A Weed-Powered Passenger Jet
Jet fuel made from an inedible plant will power an aircraft.
Observing Buried Carbon Dioxide
Observing Buried Carbon Dioxide
A project proves that millions of tons of the sequestered gas can be safely monitored.

More Energy Stories

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.
Water-Repelling Metals
New metals will keep engines and turbines dry and ice-free.
Renault Bets on Electric Vehicles
The French carmaker doubts that hybrids can reduce emissions sufficiently.
Better Solar for Big Buildings
A startup is selling cylindrical solar cells that can generate more power than conventional panels.
Flexible Silicon Solar Cells
Thin but efficient solar cells use one-tenth the silicon of conventional cells.

Energy Blogs

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
Huge Solar Power Farms

News from Around the Web

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 ...
Solar City: L.A.'s Solar Power Push a Hint of What's to Come?
A new solar-power initiative calls for L.A. to get 10% of its electricity from solar power in 2020, one of the most ambitious solar-energy targets ...
A Stimulus Package for Renewable Energy Would Benefit Economy and Climate, says German Study
The solution to the world's two biggest crisis -- the economic and the global warming crisis -- is exactly the same: a huge government investment ...
Start-Up Plans Electric-Car Network
Better Place, a start-up company developing technology to support electric cars, Thursday announced plans for a $1 billion network to charge electric cars in the ...
AES installs First A123Systems 2MW Energy Storage System
AES Energy Storage, LLC, a subsidiary of The AES Corporation, has installed its first battery storage unity from A123Systems, which is designed to meet the ...

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Energy Videos

Fuel-Cell Power-Up
Fuel-Cell Power-Up

MIT professor of chemical engineering Paula Hammond explains the difference between fuel cells and batteries, how a fuel cell works, and why a methanol fuel cell in particular is useful. Through her work, she brings methanol fuel cells closer to use in practical applications, such as powering cell phones and laptops.
(7min 03sec)

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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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