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Energy

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Hydrogen Fuel from Formic Acid
By Prachi Patel-Predd | 05/15/2008 | 13 Comments
A simple new process generates hydrogen for fuel cells.
Low-Energy Water Filtration
By Lee Bruno | 05/12/2008 | 15 Comments
A new membrane-free water-purification system uses small amounts of energy.
Building the Zero-Emissions City
By Kevin Bullis | 05/08/2008 | 16 Comments
A city being built in Abu Dhabi will serve as a large-scale test for renewable energy.
May • Jun Issue
Electric Cars Primer
By Kevin Bullis | 16 Comments
Hybrids, plug-ins, and extended-range electric cars are hitting the market. Use this interactive primer to learn how they work.
May • Jun Issue
An Electrifying Startup
By Kevin Bullis | 48 Comments
A new lithium-ion battery from A123 Systems could help electric cars and hybrids come to dominate the roads.
Battling Ethanol-Propelled Food Prices
By Kevin Bullis | 04/18/2008 | 28 Comments
Demand for corn-derived fuel is driving up food prices, but new technologies could help.
Scheduling Wind Power
By Peter Fairley | 04/17/2008 | 3 Comments
Better wind forecasts could prevent blackouts and reduce pollution.
Corn Primed for Making Biofuel
By Alexandra M. Goho | 04/16/2008 | 23 Comments
Researchers genetically modify a crop to break down its own cellulose.
How to Plan for Climate Change
By David Talbot | 04/15/2008 | 1 Comment
The London Olympics' site reflects a trend toward urban planning that contemplates climate resiliency and reduced emissions.
Heating Plug-in Hybrids
By Kevin Bullis | 04/14/2008 | 20 Comments
Heating and air-conditioning systems that use thermoelectrics could make plug-in hybrids more practical.
Longer-Lasting Batteries for Laptops
By Kevin Bullis | 04/07/2008 | 0 Comments
New materials improve the reliability, safety, and storage capacity of lithium-ion batteries.
Wind Power That Floats
By Peter Fairley | 04/02/2008 | 40 Comments
Advances in floating platforms could take wind farms far from coasts, reducing costs and skirting controversy.
Nonelectric Hybrid Engines
By Duncan Graham-Rowe | 04/01/2008 | 6 Comments
A novel hybrid engine could slash fuel consumption.
Making Electric Vehicles Practical
By Kevin Bullis | 03/31/2008 | 19 Comments
New infrastructure may help launch electric cars in Israel and Denmark.
More-Powerful Solar Cells
By Kevin Bullis | 03/27/2008 | 7 Comments
A new solar cell is 27 percent more efficient without being more expensive to make.
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Tesla Roadster
Tesla Roadster
September/October 2008
Tesla's chief technology officer, JB Straubel, discusses the technology behind the electric Roadster as he drives through San Carlos, CA.
(2min 52sec)

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Technology Review September/October 2008
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Social technology helped bring him to the brink of the presidency.
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