Tag: efficiency

Dumb Meters Get Smarter

By Kevin Bullis | 03/31/2009 | 0 Comments

A new device could convert conventional electricity meters, making the smart grid cheaper.

Cash-Strapped Green Tech Changes Strategy

By Kevin Bullis | 03/13/2009 | 1 Comment

The economy is slowing the progress of green technologies, but energy efficiency and clean coal continue to attract money.

Platinum-Free Fuel Cell

By Katherine Bourzac | 12/16/2008 | 7 Comments

A new fuel cell uses a cheap nickel catalyst.

Ceramics That Won't Shatter

By Katherine Bourzac | 12/04/2008 | 6 Comments

A biomimetic ceramic that is strong and tough could be used to make lightweight vehicles.

A Fuel-Sipping Engine

By Rob Edwards | 11/03/2008 | 6 Comments

An engine from Lotus and Continental Powertrain consumes 15 percent less fuel.

A Smarter Supercomputer

By Kate Greene | 05/14/2008 | 0 Comments

A new design could run ultrahigh-resolution climate models.

On the White Path

By Neil Savage | 09/25/2007 | 5 Comments

Nanocrystals could light the way to using LEDs to replace the lightbulb.

Solar-Powered Laser

By Duncan Graham-Rowe | 09/19/2007 | 2 Comments

A new solar laser could be instrumental in the quest to use magnesium as a source of energy.

Environmentally Friendly Fridges

By Prachi Patel | 09/14/2007 | 8 Comments

A new magnetic-cooling system could lead to more-energy-efficient refrigerators.

Making Cheaper Solar Cells

By Kevin Bullis | 09/12/2007 | 10 Comments

Startup Heliovolt could help bring high-performance thin-film solar cells to market.

More-Efficient Phone Displays

By Kate Greene | 09/12/2007 | 2 Comments

Innovative displays that let more light reach the viewer could double the battery life of handheld devices.

A Better Way to Make Hydrogen?

By Kevin Bullis | 09/05/2007 | 19 Comments

A Purdue researcher claims aluminum alloys could make fuel-cell vehicles practical.

A Better Gauge on Battery Life

By Kevin Bullis | 08/31/2007 | 8 Comments

A new battery-gauge chip could make mobile phones more reliable and help them last longer on a single charge.

Saving Power in Handhelds

By Larry Hardesty | 08/30/2007 | 4 Comments

Taking advantage of human error tolerance could make cell phones more energy efficient.

Silicon Nanocrystals for Superefficient Solar Cells

By Kevin Bullis | 08/15/2007 | 6 Comments

Research shows that silicon can wring two electrons from each photon of incoming light.