“ Very interesting. Sounds really secure, but I do agree with Adida that until we see how difficult it is to replicate the profiles, it'll be hard... (read full comment) ” 

Posted on July 16, 2009 at 2:39 PM EDT

“ Okay so a carbon tax will be passed on to the consumer which will drive down demand and thus, indirectly reduce emissions. Yet the tax revenue is... (read full comment) ” 

Posted on December 25, 2008 at 11:45 PM EST