Obama gives $2 billion to solar energy companies

US President Barack Obama announced on Saturday the awarding of nearly two billion dollars to two solar energy companies that have agreed to build new power plants in the United States, creating thousands of new jobs.

Huge US solar plant lags in early production

The largest solar power plant of its type in the world—once promoted as a turning point in green energy—isn't producing as much energy as planned.

Hydroelectric generator can be carried like a backpack

Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on the megawatt scale, ...

Researchers build Moon garden

The Moon is not the most hospitable place for growing fruits and vegetables. The lack of atmosphere and natural water, extreme temperatures, and exposure to cosmic rays present some serious challenges for future inhabitants ...

Nanoparticles improve solar collection efficiency

Using minute graphite particles 1000 times smaller than the width of a human hair, mechanical engineers at Arizona State University hope to boost the efficiency -- and profitability -- of solar power plants.

Wind power—even without the wind

Offshore wind could provide abundant electricity—but as with solar energy, this power supply can be intermittent and unpredictable. But a new approach from researchers at MIT could mitigate that problem, allowing the electricity ...

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