“ Round trip efficiency If the electrolyser is 80% (HHV) efficient and the hydrogen is converted to power in a 50% HHV efficiency fuel cell... (read full comment) ”
Posted on August 24, 2010 at 6:32 AM EDT
“ Biomass to power The best way to make power from biomass is indirectly - steam cycle biomass power is perhaps 35% efficient. Burning biomass to... (read full comment) ”
Posted on May 8, 2009 at 4:54 AM EDT
“ Reducing CO2 to C + O2 Great idea but there's a little known concept called the first law of thermodynamics, which says that to split CO2 into C... (read full comment) ”
Posted on November 20, 2008 at 9:40 AM EST
“ If only you were right. Corn ethanol DOES use the corn - which is why manufacturers worry about the corn price and hungry people worry about... (read full comment) ”
Posted on June 13, 2008 at 5:32 AM EDT
“ The paper sumamry notes that displacing coal combustion by burning the char is better than burying - which makes sense, but the tech review summary... (read full comment) ”
Posted on April 26, 2007 at 5:03 AM EDT
“ Biggest project? This is one of the biggest solar PV projects in the world - but the biggest solar (thermal trough) project at Kramer Junction, CA... (read full comment) ”
Posted on April 5, 2007 at 5:29 AM EDT
“ There is very little doubt about CO2 emissions from fossil fuels. The ~6GT/y figure is carbon, 25 GT is CO2 - the multiplier should be 44/12 =... (read full comment) ”
Posted on March 26, 2007 at 4:43 AM EDT
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