Analysis article – comparing hydrogen, ethanol, butanol, fatty acid ethyl esters
This high-profile analysis suggests that it may be difficult to produce some advanced biofuels economically through aerobic fermentations due to low energy efficiency, as compared to ethanol, butanol, and hydrogen.
Evaluation of energy-retaining efficiency from sugar to the desired biofuels is prerequisite to its R&D and technoeconomical analysis, read this insightful article now:
Analysis of biofuels production from sugar based on three criteria: Thermodynamics, bioenergetics, and product separation
Wei-Dong Huang and Y.-H. Percival Zhang
Energy Environ. Sci., 2011, DOI: 10.1039/C0EE00069H