APPENDIX ENERGY ANALYSIS The issue of whether alcohol fuel does or does not produce net energy output has ... The first law of thermodynamics states, inter alia, that during a cycling process heat can be transformed only into work oranbsp;...
|Title||:||The agricultural sector impacts of making ethanol from grain|
|Author||:||Donald I. Hertzmark, Daryl Ray, Gregory Parvin, United States. Dept. of Energy, Solar Energy Research Institute|