Discovered Pages
[Discover] Dime-A-Gallon http://www.dimeagallon.org/
(quaker goalideas philanthropy sustainability) 
[Discover] FuturePundit: Nuclear Powered Liquid Hydrocarbons For $4.60 Per Gallon http://www.futurepundit.com/archives/005004.html (energy)
[Discover] Startup Says It Can Make Ethanol for $1 a Gallon, and Without Corn http://www.wired.com/cars/energy/news/2008/01/ethanol23# (energy biofuel article technology)
[Discover] Zero Per Gallon: No Goats. No Exceptions. http://www.zeropergallon.com/ (shopping activism environment bicycle)