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IEEE Spectrum: Lithium Batteries Take to the Road - 0 views

spectrum.ieee.org/5490 electric vehicles plug-in hybrids lithium
shared by Hans De Keulenaer on 12 Sep 07 - Cached
  • Lithium-ion cells are poised to take an increasing share of the auto battery market, just as electric drive seems set to begin a long, slow climb to become, at last, a serious power-train option. But what’s rarely understood is how much that second revolution depends on the first.
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Commodity Cycles and Renewable Energy Costs | The Energy Collective - 0 views

theenergycollective.com/...les-and-renewable-energy-costs costs renewables technology tutorial
shared by Hans De Keulenaer on 18 Jan 11 - No Cached
  • The rationale for continued cost declines that I encounter most often is based on volume: If we install more wind and solar capacity, costs will fall in a virtuous cycle, making subsequent installations cheaper and prompting even more of them. The underlying logic behind this argument derives from empirically observed "experience curves", in which cost components such as manufacturing fall by a set percentage for each doubling of cumulative output. The problem with these curves is that they tend to flatten out fairly quickly, delivering their maximum effect in the early years of a technology, when doublings are frequent.
  • Hans De Keulenaer on 18 Jan 11
     
    A rare perspective on the limitations of learning curves.
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"Power the House" Social Media Campaign Launches | Sungevity - 0 views

www.renewableenergyworld.com/...social-media-campaign-launches usa politics
shared by Energy Net on 29 Jun 10 - Cached
  • Energy Net on 29 Jun 10
     
    "Oakland, CA - In a rare move for advocacy groups, the SolarontheWhiteHouse.com campaign has created "Power the House," a fun, engaging way to continue fueling buzz and momentum around the national call for President Obama to put solar panels back on the White House. Using Brushfire technology, the game is accessed through social media sites Facebook, Twitter, MySpace and FourSquare where solar advocates can earn points by completing solar missions. Players earn points based on how they virally spread the word about the campaign. Player status levels include Solar Maven, Solar Organizer, Solar Senator and Globamanator. The highest scorers will receive glow in the dark Globama t-shirts and other solar merchandise, and in addition to bragging rights through their social networks, the "Ultimate Solar Advocate" will be named in a nation-wide press release when the campaign reaches 10,000 petition signatures. "As part of our initiative to get solar on the White House we've created a fun, social-media-linked site to help fans get involved and spread the word," said Danny Kennedy, Sungevity Founder. "We like to think of it this as 'campaign headquarters' where advocates and supporters can check in daily and get armed to continue to get the message out that solar starts at home.""
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