“ When Saudi Arabia can drive the price to $10 a barrel... When Saudi Arabia can drive the price to $10 a barrel because their costs are half that,... (read full comment) ” 

Posted on July 23, 2008 at 7:34 PM EDT

“ Amory Lovins: nuclear doesn't make dollars On a recent appearance on Charlie Rose, Amory Lovins pointed out how economically inviable nuclear is... (read full comment) ” 

Posted on July 23, 2008 at 6:15 PM EDT

“ Does this apply to AAC blocks? Aerated autoclaved concrete is attractive as an inert insulating block, but it obviously requires autoclaving to... (read full comment) ” 

Posted on July 23, 2008 at 5:17 PM EDT

“ IC engines won't compete until more efficient? Internal combustion engines will never compete with electric motors and turbines until they become... (read full comment) ” 

Posted on July 11, 2008 at 12:20 PM EDT

“ Bush, the global warming president Just think how Al Gore's call for a 50 cent carbon tax was universally denounced and rejected. Bush has given... (read full comment) ” 

Posted on July 11, 2008 at 3:12 AM EDT