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Orbital solar plants could meet energy needs Harvesting the sun's energy from space could provide cost-effective power within 30 years |
Thermostat reinvented, and it's finally good Do you ever feel guilty about not efficiently managing your home's heating and air conditioning? It's not your fault. Turns out, thermostats really are awful, and it's time for a totally new one. Enter the Nest learning thermostat. |
GM to launch electric Chevy Spark General Motors plans to introduce an electric version of the Chevrolet Spark in the U.S. |
White House ignored risks in Solyndra deal Bottom Line: The Obama administration committed more than $500 million in taxpayer money to a maker of solar power panels despite repeated red flags about the company’s viability, NBC News’ Lisa Myers reported Wednesday. |
Tech & Science |
 NASA/ESA Who wants to take a one-way trip to Mars? A one-way trip to Mars sounds like something you'd wish on your worst enemy — yet more than 78,000 people have paid up to $75 for a chance to die on another planet. Three hopeful voyagers explain why. |
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 | Harnessing the wind America's wind industry expects new growth now that a 30 percent renewable energy tax credit is available. more photos |
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