• Biofuels: biodiesel, bioethanol, biobuthanol, biogas, biofuels production, modeling and economics • Bioprocesses and bioproducts: bioreactions, biocatalysis, bioreactors, membrane-bioreactors, modeling and optimization, scale-up, supercritical technology, ionic liquids and fermentations • Biomass and feedstock utilization: bioconversion of agro-industrial residues • Biorefinery: membrane separation technology, adsorption, solvent-extraction, etc. • Environmental protection: simultaneous biological waste treatment and biofuel production, clean development mechanism • Thermochemical conversion of biomass: combustion, pyrolysis, gasification, catalysis • Algal biofuel and energy crops including energy crops genetic engineering • Application of artificial photosynthesis for biofuels production • Carbon footprinting analysis • Strategies for limiting green house gas (GHG) emissions • Life cycle assessment (LCA) analysis of biofuel production/application pathways • Exergy analysis of biofuel production/application pathways • Compliance with the international standards (such as PAS 2050:2011 and ISO 14040:2006) • Technoeconomic analysis of biofuel production/application • Impacts of biofuels production/consumption on climate change • Futuristic pathways for biofuels production • Biofuels finance • Biofuels and bioproducts in Circular Economy • Biofuel applications in the developing world for indigenous development