Is there still green in ethanol? by Kirsten Dirksen on May 30, 2009 Ethanol production in the US has more than doubled during the first part of this century, going from 1,770 gallons/year …
Biofuels, a controversial alternative by faircompanies on July 13, 2007 Biofuels are renewable fuels made from vegetable oils and animal fats. Their incidence in food prices and their environmental impact …
Biomass, or the future of biological fuel by faircompanies on July 11, 2007 Fuel obtained directly or indirectly from biological resources (wood, agricultural residues, urban waste or manure, among others sources). In energy …
The most political biofuel by Kirsten Dirksen on March 22, 2007 For American politicians, it is now just as important to believe in ethanol as to believe in God, but the …
El reverso de la biomasa by faircompanies on January 13, 2007 Se trata de un combustible energético obtenido directa o indirectamente de recursos biológicos (madera, residuos agrícolas, desechos urbanos o estiércol, …
El revers de la biomasa by faircompanies on January 13, 2007 La biomasa és un combustible energètic obtingut directa o indirectament de recursos biològics (fusta, residus agrícoles, deixalles urbanes o fem, …
