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Energy

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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.

Cheap, Efficient Thermoelectrics: By Katherine Bourzac | 03/20/2008 | 18 Comments; Nanomaterials could be used for lower-emission cars and solar panels.

A Power Grid Smartens Up: By Peter Fairley | 03/20/2008 | 15 Comments; Communications technologies will make Boulder's grid more efficient and environmentally friendly.

Slicing Up Silicon for Cheaper Solar: By Kevin Bullis | 03/14/2008 | 7 Comments; A California startup is cutting by half the amount of costly silicon used in solar panels.

Toward Cheaper, Robust Solar Cells: By Prachi Patel-Predd | 03/13/2008 | 15 Comments; Researchers are working on solar cells that use a novel organic dye.

Whale-Inspired Wind Turbines: By Tyler Hamilton | 03/06/2008 | 23 Comments; Mimicking the bumps on humpback-whale fins could lead to more efficient wind turbines.

Mar • Apr Issue
TR10: Cellulolytic Enzymes: By Alexandra M. Goho | 18 Comments; Frances Arnold is designing better enzymes for making biofuels from cellulose.

Mar • Apr Issue
Ethanol from Garbage and Old Tires: By Kevin Bullis | 7 Comments; A versatile new process for making biofuels could slash their cost.

A Better Way to Capture Carbon: By Kevin Bullis | 02/15/2008 | 22 Comments; New materials provide a potentially cheaper way to reduce carbon dioxide emissions from power plants.

Creating Ethanol from Wood More Efficiently: By Kevin Bullis | 02/05/2008 | 4 Comments; Bacteria in termite guts could make ethanol from noncorn sources cheaper.

Cheap Hydrogen: By Kevin Bullis | 01/31/2008 | 28 Comments; A new process uses sunlight and a nanostructured catalyst to inexpensively and efficiently generate hydrogen for fuel.

A Cheaper Battery for Hybrid Cars: By Tyler Hamilton | 01/24/2008 | 3 Comments; New lead-acid batteries could achieve high performance.

Better Bugs for Making Butanol: By Alexandra M. Goho | 01/16/2008 | 10 Comments; Engineered E. coli proves efficient at churning out the biofuel.

The Air Car Preps for Market: By Tyler Hamilton | 01/16/2008 | 17 Comments; Some still question the vehicle's chances of success, despite a boost from India.

The New CAFE Standards: By Peter Fairley | 01/15/2008 | 12 Comments; Fuel standards will likely be achievable but won't encourage innovation.

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Technology Review September/October 2008

How Obama Really Did It: Social technology helped bring him to the brink of the presidency.

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