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The New GMOs: Plants Engineered to Be Better Biofuels

A new crop of GMOs could improve biofuels. The Department of Energy even has a cute name for them—Plants Engineered To Replace Oils, or PETROs.

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For Energy Department, More Green Cars, Less Next-Next-Generation Technology

The Department of Energy did a little soul-searching and found it was focusing too much on futuristic ideas.

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The Hidden Reasons Solar Prices Are Dropping

There are more contractors competing for solar projects, and the government's making it easier for them to get their jobs done.

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Cheaper Solar Panels Are Causing a Solar Boom

As prices for solar panels have dropped, more companies and utilities in the United States have decided to invest in solar.

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What Happens to Solar Power When the Sun Doesn't Shine?

The Department of Energy has spent the past year trying to find out how solar panels react to clouds passing over the sun.

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The Race to Build a Solar House That Anyone Can Afford

The Department of Energy's Solar Decathalon challenges students to make energy-efficient yet affordable homes.

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Making Solar Power Work at Night with Mirrors, Salt, and a Hillside

Solar-power systems are going to need to provide energy at night or on cloudy days. A team of MIT engineers has a new idea to do just that.

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A Life-Size Set of Blocks Puts Green Building Ideas to the Test

A government lab is constructing four buildings that will be able to test the real-life performance of energy-efficient technologies.

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Solar Decathalon Kicked Off the National Mall, Will Be Watched Over By MLK and FDR

Check out the cool solar-powered designs that'll grace DC's National Parks this September.

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Chat About Energy with Secretary Steven Chu Wednesday

Energy Secretary Steven Chu is taking questions live Wednesday. Here's what we'll be asking.

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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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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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New EnergyStar Standards: Putting Efficiency to the Test

A few weeks back, I posed a question-"Is EnergyStar at the risk of becoming EnergyIrrelevant?" - that's likely on the minds of consumers who are...