Biogas.

Biogas energy by: (Electronic resources)

Biogas science and technology by: (Electronic resources)

Treatment of biogas for feeding high temperature fuel cellsremoval of harmful compounds by adsorption processes / by: (Electronic resources)

Biogasfundamentals, process, and operation / by: (Electronic resources)

Improving biogas productiontechnological challenges, alternative sources, future developments / by: (Electronic resources)

Biomethaneproduction and applications / by: (Electronic resources)

Biogas technology by: (Electronic resources)

Biogas productionfrom anaerobic digestion to a sustainable bioenergy industry / by: (Electronic resources)

Design and optimization of biogas energy systems by: (Electronic resources)

Biohydrogen - advances and processes by: (Electronic resources)

Chemistry.

Fuel cells.

Sustainable Development.

Energy Economics.

Biogas.

Manufacturing, Machines, Tools, Processes.

Industrial Chemistry/Chemical Engineering.

Renewable Energy.

Hydrogen

Energy Harvesting.

Environmental Engineering/Biotechnology.

Biogas industry.

Energy.

Environment, general.

Applied Microbiology.

Energy Policy, Economics and Management.

Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution.

Renewable and Green Energy.

Biotechnology.

Microbiology.

Waste Management/Waste Technology.

Agriculture.

Industrial Microbiology.