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Domestic Science: Cold-Water Washing, Powered by Enzymes

Heat isn't the only force of nature that can loosen molecules of grease and dirt from clothes and speed up cleaning.

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How to Green Your Holiday Travel

I've come to think of getting to Christmas as another part of the season's indulgence. But there are ways to get home and hold onto green principles.

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Study: Gadgets Are Killing Energy Efficiency Gains

We're using as much electricity per household as we did in 1978, despite energy efficiency gains. The culprit? Cellphones, iPads, and the like.

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Jeff Bingaman Is the Only Politician Speaking Truth About Gas Prices

The New Mexico senator is the only one in Washington, D.C. who will tell the uncomfortable truth about gas prices and oil supply and demand.

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"Better Buildings Initiative" and "Innovation Cluster" Announced By President Obama [Updated] Obama's New "Better Buildings Initiative" Is Long Overdue, and Will Save Us Billions

President Obama's new initiative makes lots of sense: Commercial buildings account for 20 percent of the energy consumed in the country.

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Video: Hybrids, Electric Cars, and Flywheels at the Detroit Auto Show

All the carmakers are jumping on the electric bandwagon. Inhabitat founder Jill Fehrenbacher checks out the Detroit Auto Show's new reveals.

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Clever German Bypasses Light Bulb Ban with "Heatball" Space Heater

Here's an interesting way to get around a ban on incandescent light bulbs: Market them as space heaters.

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This New House: Are Unmanned Tennessee Lab Homes the Future of Efficiency?

A small row of unmanned houses in Tennessee is operating at optimal efficiency. Are these our energy-efficient future?

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"MPG" for Your House: The DOE's New Home Energy Score

You know how much energy your car uses. Now you'll finally have similar information about your house. Knowing is half the battle.

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America's Oldest "Net Zero" House

This 110-year-old Victorian home in Ann Arbor is America's oldest and Michigan's first Net Zero home.

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Make Your Home Energy Efficient With Energy Secretary Steven Chu

Check out this video for a wide range of energy efficiency tips from Energy Secretary Steven Chu.

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Aston Martin's Cygnet: Tiny Beauty, or Just a Toyota iQ with a New Grill?

Aston Martin aims to rebrand smallness and efficiency as luxury. But is its effort in earnest?

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Eleven Tips for Saving Gas (and Gas Money)

Pump your tires, park in the shade, and don't top off.

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The Zombie Lives of Inefficient Refrigerators

This chart shows the fate of old refrigerators after their owners take advantage of cash incentives to buy new energy efficient machines. The...