Tag: renewable energy

A More Durable Wind Turbine

By Tyler Hamilton | 12/04/2009 | 11 Comments

New design does away with the need for a complex gearbox.

Copenhagen's Clean-Tech Dividend

By Peter Fairley | 12/02/2009 | 9 Comments

Climate deal could deliver incentives to grow nascent energy technologies.

Sodium-Ion Cells for Cheap Energy Storage

By Kevin Bullis | 12/02/2009 | 6 Comments

DOE funds the development of low-cost sodium-ion batteries.

Demonstrating a CO₂ Recycler

By Tyler Hamilton | 11/23/2009 | 0 Comments

Sandia scientists successfully test a machine that creates fuel from carbon dioxide.

Using CO₂ to Extract Geothermal Energy

By Peter Fairley | 11/16/2009 | 14 Comments

Carbon dioxide captured from power plants could make geothermal energy more practical.

Superconductors to Wire a Smarter Grid

By Kevin Bullis | 11/12/2009 | 0 Comments

A superstation for connecting three independent grids could help solar and wind power.

More Energy in Batteries

By Katherine Bourzac | 11/06/2009 | 2 Comments

Nanowire anodes could let lithium-ion batteries run twice as long.

Stealth-Mode Wind Turbines

By Peter Fairley | 11/02/2009 | 10 Comments

Coatings and composites ease the air-traffic worries dogging wind power.

Ultracapacitor Startup Gets a Big Boost

By Erika Jonietz | 10/30/2009 | 1 Comment

An energy storage startup gets new government funding.

Testing Cheap Wind Power

By Peter Fairley | 10/29/2009 | 8 Comments

A continuously variable transmission could lead to cheaper wind power--if it is rugged enough.

Obama Offers Hope for Climate Bill

By Kevin Bullis | 10/23/2009 | 7 Comments

Speaking at MIT, Obama countered recent statements from his administration that climate legislation is bogged down.

Dye-Sensitized Solar to Go

By Prachi Patel | 10/21/2009 | 3 Comments

The low-cost cells make their debut on electronics-charging bags.

Mining Fool's Gold for Solar

By Katherine Bourzac | 10/20/2009 | 4 Comments

Cyrus Wadia is using abundant materials to grow nanocrystals for cheaper photovoltaics.

Next Stop: Ultracapacitor Buses

By Tyler Hamilton | 10/19/2009 | 0 Comments

A U.S.-Chinese venture is out to prove the benefits of quick-charge buses.

Natural Gas Changes the Energy Map

By David Rotman | 10/15/2009 | 0 Comments

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.