“ I suggest that you do a bit more realistic research on the switch from nonrenewable to renewable energy sources and stop it with the shallow... (read full comment) ” 

Posted on May 10, 2010 at 12:02 PM EDT

“ Another half assed approach to green energy by using a food crop for ethanol feedstock rather than switchgrass. Next thing you know they'lll be... (read full comment) ” 

Posted on May 7, 2010 at 9:58 AM EDT

+ 2 more comments posted in this discussion

“ I thought that this was a "retro" article It's been stated here already, but Lehigh Technologies is pursuing "technology" that is decades old. The... (read full comment) ” 

Posted on April 26, 2010 at 9:48 AM EDT

“ The article DOES say: "Novacem, is trying to eliminate those emissions with a cement that absorbs more carbon dioxide than is released during its... (read full comment) ” 

Posted on April 23, 2010 at 3:57 PM EDT

“ We are reaping what we have sown As a materials engineer I have followed this issue for years in my career. I find it par for the course for the... (read full comment) ” 

Posted on April 7, 2010 at 1:52 PM EDT