[
Angelidaki I, Treu L., Tsapekos P., Luo,G, Camparano,S, Wenzel H., Kougias P.G., 2018, Biogasupgrading and utilization: Current status and perspectives. Biotech. Adv. 36, 452- 466
]Search in Google Scholar
[
Asam, Z.-Z.; Poulsen, T.G.; Nizami, A.-S.; Rafique, R.; Kiely, G.; Murphy, J.D. How Can We Improve Biomethane Production per Unit of Feedstock in Biogas Plants? Appl. Energy, 2011,88, 2013–2018
]Search in Google Scholar
[
De Vries, J.W.; Corré, W.J.; Dooren, H.J.C. Environmental Assessment of Untreated Manure Use, Manure Digestion and Co-Digestion with Silage Maize; Wageningen UR Livestock Research: Wageningen, The Netherlands, 2010; ISSN 1570–8616
]Search in Google Scholar
[
EBA Statistical Report 2022 https://www.europeanbiogas.eu/SR-2022/EBA/index.html#our
]Search in Google Scholar
[
Grieshop, Andrew P., Julian D. Marschall and Milind Kandlikar (2011), “Health and climate benefits of cookstove replacement options”, Energy Policy, Vol. 39, No. 12, pp. 7530–42 https://schwabagroprod.ro/istoric-companie/
]Search in Google Scholar
[
IEA Advanced Biofuels – Potential for Cost Reduction; International Energy Agency: Paris, France, 2020. Available online: https://www.ieabioenergy.com/blog/publications/new-publication-advanced-biofuels-potential-for-cost-reduction/
]Search in Google Scholar
[
Kanda Wisdom, Hanna Zanatta, Thomas Magnusson, Olof Hjelm Madeleine Larsson (2022)., Policy coherence in a fragmented context: the case of biogas systems in Brazil, Energy Research & Social Science 87
]Search in Google Scholar
[
Kiyoshi Suzaki, 1987, The New Manufacturing Challenge: techniques for continuous improvement, the Free Press, London
]Search in Google Scholar
[
Lemvig Biogas, An example of successful centralized co -digestion in Denmark, IEA BIOENERGY TASK 37, Energy from Biogas, February 2013
]Search in Google Scholar
[
Neumayer, E., 2002. Do democracies exhibit stronger international environmental commitment? A cross-country analysis. Journal of Peace Research, 39(2), pp. 139-164. DOI: 10.1177%2F0022343302039002001
]Search in Google Scholar
[
Paris Bas, George Papadakis, Rainer Janssen, Dominik Rutz (2021)., Economic analysis of advanced biofuels, renewable gases, electrofuels and recycled carbon fuels for the Greek transport sector until 2050, Renewable and Sustainable Energy Reviews 144
]Search in Google Scholar
[
REN21. Renewables 2013 - global status report. Paris, 2013. 177 p.
]Search in Google Scholar