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Riding the power of undersea waves

Finnish start-up WaveRoller says it's found a way to capture the kinetic energy beneath the sea's surface--without buoys or other floating devices.

By April 24, 2008


Wind turbines in short supply

Demand for wind power is growing, but manufacturers of turbines can't keep up.

By April 4, 2008


Wave power to go commercial in California

Harnessing the ocean for energy has been discussed for years, and now a major utility in the U.S. will purchase some sea power.

By December 17, 2007


Week in review: Green power plays

Amid flurry of end-of-the-year docket-clearing, Congress passes energy bill and Google's DoubleClick acquisition gets the green light from the FTC.

By December 20, 2007


Wave power prototype sinks in the sea

The AquaBuoy goes to Davy Jones' Locker. Not the best news for wave power proponents.

By November 8, 2007


Wave power device gets in water in Oregon

Can waves supply electricity economically? This experiment will help figure that out.

By September 6, 2007


Can wind energy be cheaper than regular power?

Ireland. The wind blows all the time. It's annoying but a great source of power.

By August 14, 2007


FAQ: Energy on the high seas

Harnessing the power of the ocean may be the next big opportunity in energy. Here's what you need to know. Photos: Tapping wave power

By August 15, 2007