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Cleantech

  • Public Topic: Everyone is invited to contribute to Cleantech

    • US cleantech investments almost double as overall capital investments decline.

      SAN FRANCISCO, Aug 04, 2008 /PRNewswire via COMTEX/ -- Venture capital investments in US cleantech companies grew by 41% to $961.7 million in Q2 2008, up from $683.5 million in Q1 2008, according to an Ernst & Young report based on data from Dow Jones VentureOne. This is the highest total cleantech investment on record, and comes amidst a quarter in which overall venture capital investment was down by nearly 8%. Year-on-year cleantech investment follows this upward trend, increasing 83% from Q2 2007.

      Energy/Electricity Generation companies attracted the most investment of any sector this quarter with $494.9 million -- 52% of the total. The top three deals of the quarter were solar-related companies. The deals included, SunEdison, in Beltsville, MD, which raised $131 million, eSolar, in Pasadena, CA, which raised $130 million and BrightSource in Oakland, CA, which raised $115 million. It is also worth noting that corporate investors were involved in all of these deals.

      Energy Efficiency companies made up 20% of total investment dollars and continues to be a top cleantech investment segment despite a slight 4% decline to $188.3 million in Q2. The third largest segment this quarter was Alternative Fuels, which comprised 13% of the overall US cleantech market. The segment, made up entirely of biofuels transactions, attracted $129 million of investment, down 44% from the previous quarter.
      SAN FRANCISCO, Aug 04, 2008 /PRNewswire via COMTEX/ -- Venture capital investments in US cleantech companies grew by 41% to $961.7 mil... more

      Ricky84

      added this

      2 responses

      4 days ago
    • Vehicles Powered Completely By Air (NO JOKE)

      Like never before I need a second opinion... Is this for real?!
      (Where is Russell Gehrke when I need him?)

      Is it possible to exponentiate energy? This video claims that through various stages of compression technology, energy can be created and not entirely lost..

      The CAR is POWERED by .. AIR. (under pressure)

      Poof!

      ~I want to be a believer.

      'Although it costs money to create the compressed air, that energy is actually created by, compressed air..'

      Geoff Lawton, a permaculture design proffesional, says that 'it's not how much water you have in a system, it's how many times you use that water/energy.. within the system.' And I loosely quote, 'If you have one gallon of water, and you use it once, well then you have one gallon of water.. If you take that one gallon of water, and use it ten times, well then you have ten gallons of water.

      Your take?
      Like never before I need a second opinion... Is this for real?! (Where is Russell Gehrke when I need him?) ... more

      onepeacefullight

      added this

      10 responses

      9 days ago
    • Can the world run on water?

      Thousands of successful water-conversions around the world are proof that this technology works and will soon catch on! From being used by this guy's torch, HHO gas can prove to be a means to fuel automobiles. The prospect of using HHO to fuel cars successfully almost seems like a dream come true. Thousands of successful water-conversions around the world are proof that this technology works and will soon catch on! From being u... more

      KeithdaSneith

      added this

      37 responses

      1 day ago
    • Environmentally friendly cell phone

      Electronic waste is becoming a problem as people continue to throw away perfectly good cell phones every year when they renew their annual contracts.

      The best thing to do about that is invent a envoronmentally friendly version.

      Unlike conventional display that use a backlight, E-paper uses ambient light that reflects off the surface to make the display viewable. Combine this with organic radical battery and some genius designers, and whabam !

      http://www.youtube.com/watch?v=_tXSEtJnPh0
      Electronic waste is becoming a problem as people continue to throw away perfectly good cell phones every year when they renew their an... more

      cheaney40z

      added this

      1 response

      15 days ago
    • Removing CO2 from the atmosphere

      There are many ways to remove CO2 from the atmosphere, but these people want to hurt the ocean as a way to get there. There is a a cost/benefit to everything, but this doesn't seem right. National Geographic explores the pros and cons. I disagree with the idea of dumping iron th ehelp algae bloom diminish C02.

      http://news.nationalgeographic.com/news/2007/07/070725-...
      There are many ways to remove CO2 from the atmosphere, but these people want to hurt the ocean as a way to get there. There is a a co... more

      cheaney40z

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      0 responses

      2 days ago
    • Half of GM cars will run on Ethanol in 2012

      Ethanol, which is clearly the dirtiest of non-petroleum based automotive fuel is being touted as 'green' at GM. But guess what... GM is also going to be selling Ethanol... double whammy for them !

      It looks like truly clean cars are still far away for GM.
      Ethanol, which is clearly the dirtiest of non-petroleum based automotive fuel is being touted as 'green' at GM. But guess w... more

      cheaney40z

      added this

      0 responses

      1 month ago
    • Cleantech Revolution

      How to guide for reducing our CO2 emissions on planet earth.

      cheaney40z

      added this

      1 response

      1 month ago
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Contributors (34)
Cleantech

Vierotchka Adumbration cheaney40z daelclark gylu onepeacefullight broessel benjaminV iamchinese Countrykenrs Crenshaw_Brothers currentguapi jrock108 Ricky84 ronaldcollins johnandrews52 1FEDUPBM hyperbrand AlinaJette Walks_in_Storms JanforGore bernmech ocanada stephenthomson Wildfire775 Eoral damnneargenius Technobarde Greg_Bunker glabadabadoo abbym0308 KeithdaSneith digitrash gormanwvzb