sundance

Green tech finds (9/11/09)

Tree-power and homemade submarines… all that and more in your green tech finds for the week.

• Google… the solar company?: The company announced on Wednesday that it’s “working to develop its own new mirror technology that could reduce the cost of building solar thermal plants by a quarter or more.”
  
  
• Wind power from the air conditioner: Renewable energy company EarthSure has announced its WindAir system, which is designed to “[transform] the exhausted air flow from central air conditioning units into a source of renewable, clean energy.”