“ Energygeek, your discussion about nuclear energy is dead center. There are really much more energy to be retrieved from nuclear than from fossil... (read full comment) ” 

Posted on March 10, 2009 at 4:23 PM EDT

“ Ethanol is a common and widespread fuel in Brasil, widely used. The issues concerning corrosive effects were solved by the automotive industry a... (read full comment) ” 

Posted on February 7, 2009 at 6:29 PM EST