“ What is the net carbon balance when a power plant is using biomass as the feedstock? This carbon balance has to take into account the CO2 emitted... (read full comment) ” 

Posted on July 8, 2010 at 8:52 AM EDT

“ natural gas in practice . 1. While the earlier century was the century of oil, this century is supposed to be the century of natural gas. Do you... (read full comment) ” 

Posted on July 8, 2010 at 7:41 AM EDT