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Sustainable Energy for Development: People, organizations, and projects active in environmentally benign energy sources for developing countries.

Ken Novak's Weblog


daily link  Friday, May 28, 2004


What is an AGM battery: Background on absorbed glass mat battery products. In this battery design, acid is completely absorbed into microfiber glass mat separators which are sandwiched between lead plates and typically wound in coils. Advantages:

  • totally sealed and maintenance free design
  • more heat and vibration resistant
  • slower self discharge rate (longer shelf life). A wet battery discharges 15% a month, some AGM batteries discharge only 2-3% a month, so 6 months idle is no problem

Many vendors are online.

  2:52:37 PM  permalink  


daily link  Wednesday, May 05, 2004


VentureBlog: Tapping The Trillion Dollar Market: "Hard-headed venture investors have suddenly become environmentalists; there's money to be made in saving the world. .. Investing in the area has been growing more than 8% a year. After several false starts in the late 80's and mid 90's, is now the time to invest in alternative energy?"  The author notes that "The California Public Employees' Retirement System (CalPERS) launched a new investment program that will invest up to $200 million in the burgeoning environmental technology sector during the next few years [that] will target investments in environmental technology solutions .. such as recycling; minimizing the use of natural resources; and reducing emissions, refuse, and contamination to air, water, and land."  It is part of a larger "plan to invest $1.5 billion of the state's pension funds in environmental technologies. State Treasurer Phil Angelides said the "Green Wave" initiative is aimed at helping the state improve financial returns, generate jobs and clean up the environment.  "I want to see California in the best position to reap the benefits of this growing sector of the global economy," Angelides said in an interview. The California Public Employees' Retirement System, the nation's largest pension fund, voted in March to invest $200 million in clean technology startups, and agreed this month to pump $500 million into environmentally responsible stocks and mutual funds."  2:46:27 PM  permalink  

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Last update: 11/24/2005; 11:46:52 PM.
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