“ windmills Any device that prevents one drop of oil or lump of coal from burning is a step in the right direction lets get with the program people.... (read full comment) ” 

Posted on December 16, 2009 at 7:22 AM EST

“ steam Their are some problems with portable steam boilers. A boiler explosion is graphic and deadly. It takes time to boil a kettle. We are used... (read full comment) ” 

Posted on December 16, 2009 at 7:12 AM EST