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Bill Joy bets big on energy's 'grand challenges'

Famed technologist spends his time investing in green tech where he's seeking riskier technologies with the potential for a big gains.

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While Washington bickers, green tech goes local

With political paralysis and the turmoil of Solyndra in Washington, states are taking the lead on green technology action, pitting individual states against other countries.

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Solyndra's tube-shaped solar collectors are designed for flat commercial rooftops.

Solyndra casts shadow on U.S. energy loan aid

analysis Political furor over the Solyndra bankruptcy has dealt a body blow to the idea that the government should try to help clean tech start-ups through the costly "valley of death" to commercial viability.

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In green tech, debate over singles versus home runs

Green-tech startups are splitting between those which swing for the fences and others who just try to hit safely but there's a need for both types to foster innovation.

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Khosla: Environmentalists, get out of way

Famed tech investor Vinod Khosla says green tech will succeed when entrepreneurs follow their vision for disruptive technologies rather than expect consumers to pay a premium for green products.

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Military green investments could hit $10B by 2030

Defense Department policy shifts toward using more clean energy in order to increase national security and save money, which could have far-reaching effects, according to Pew.

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Greenstart unveils latest clean-tech startups

Green-tech incubator shows interest in variety of startups from window treatments to biodiesel.

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This Day in Tech: Hurricane to test cell networks, Apple's Cook gets big bonus

Too busy to keep up with the tech news? Here are some of the more interesting stories from CNET for Friday, August 26.

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How to save green tech from crashing

There's a real risk that innovation in green technologies will slow for lack of money and interest. Here's why we need a leaner, meaner green tech 2.0.

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Why green-tech start-ups depend on big business

Corporate partners are vital to nurturing innovations from green-tech start-ups and giving them the gravitas they need to scale beyond niche products.

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Window and insulation experts the next plumbers?

Emerging technologies geared toward closing a "thermal envelope" in green building, already the largest growth market in construction, are poised to see increased growth by 2020, report says.

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Once booming, green-tech investing shifts down

The latest venture capital numbers show a pullback from green tech, reflecting the challenging funding environment for green-tech start-ups.

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