103. Zohri, A.-N.A.; Ragab, S.W.; Mekawi, M.I.; Mostafa, O.A.A. Comparison between Batch, Fed-Batch, Semi-Continuous and Continuous Techniques for Bio-Ethanol Production from a Mixture of Egyptian Cane and Beet Molasses. *Egypt. Sugar J.* **2017**, *9*, 89–111.

104. Ishizaki, H.; Hasumi, K. Ethanol Production from Biomass. In *Research Approaches to Sustainable Biomass Systems*; Elsevier: Amsterdam, The Netherlands, 2014; pp. 243–258. ISBN 9780124046092.

105. Fred, W.H.B.; Peterson, A.; Davenport, E. *Fermentation Characteristics of Certain Pentose-Destroying Bacteria*; Elsevier: Amsterdam, The Netherlands, 1920.

106. Chandel, A.K.; Chandrasekhar, G.; Radhika, K.; Ravinder, R. Bioconversion of Pentose Sugars into Ethanol: A Review and Future Directions. *Biotechnol. Mol. Biol. Rev.* **2011**, *6*, 8–20.

107. Singla, A.; Paroda, S.; Dhamija, S.S.; Goyal, S.; Shekhawat, K.; Amachi, S.; Inubushi, K. Bioethanol Production from Xylose: Problems and Possibilities. *J. Biofuels* **2012**, *3*, 1. [CrossRef]

108. Mishra, A.; Singh, P. *Microbial Pentose Utilization*; Elsevier Science: Amsterdam, The Netherlands, 1993; p. 39.

109. Sommer, P.; Georgieva, T.; Ahring, B.K. Potential for Using Thermophilic Anaerobic Bacteria for Bioethanol Production from Hemicellulose. *Biochem. Soc. Trans.* **2004**, *32*, 283–289. [CrossRef]

110. Mc Millan, J.D. *Xylose Fermentation to Ethanol: A Review*; NREL/TP-421-4944; National Renewable Energy Laboratory: Golden, CO, USA, 1993; p. 51.

111. Saloheimo, A.; Rauta, J.; Stasyk, O.V.; Sibirny, A.A.; Penttilä, M.; Ruohonen, L. Xylose Transport Studies with Xylose-Utilizing Saccharomyces Cerevisiae Strains Expressing Heterologous and Homologous Permeases. *Appl. Microbiol. Biotechnol.* **2007**, *74*, 1041–1052. [CrossRef]

112. Skoog, K.; Hahn-Hägerdal, B. Xylose Fermentation. *Enzyme Microb. Technol.* **1988**, *10*, 66–80. [CrossRef]

113. Hahn-Hägerdal, B.; Karhumaa, K.; Fonseca, C.; Spencer-Martins, I.; Gorwa-Grauslund, M.F. Towards Industrial Pentose-Fermenting Yeast Strains. *Appl. Microbiol. Biotechnol.* **2007**, *74*, 937–953. [CrossRef]

114. Hahn-Hägerdal, B.; Jeppsson, H.; Skoog, K.; Prior, B.A. Biochemistry and Physiology of Xylose Fermentation by Yeasts. *Enzyme Microb. Technol.* **1994**, *16*, 933–943. [CrossRef]

115. Fernández-Sandoval, M.T.; Galíndez-Mayer, J.; Bolívar, F.; Gosset, G.; Ramírez, O.T.; Martinez, A. Xylose-Glucose Co-Fermentation to Ethanol by *Escherichia coli* Strain MS04 Using Single- and Two-Stage Continuous Cultures under Micro-Aerated Conditions. *Microb. Cell Fact.* **2019**, *18*, 145. [CrossRef] [PubMed]

116. Mohd Azhar, S.H.; Abdulla, R.; Jambo, S.A.; Marbawi, H.; Gansau, J.A.; Mohd Faik, A.A.; Rodrigues, K.F. Yeasts in Sustainable Bioethanol Production: A Review. *Biochem. Biophys. Rep.* **2017**, *10*, 52–61. [CrossRef]

117. Ciani, M.; Comitini, F.; Mannazzu, I. Fermentation. In *Encyclopedia of Ecology*; Elsevier: Amsterdam, The Netherlands, 2008; pp. 1548–1557. [CrossRef]

118. Onuki, S.; Koziel, J.A.; Van Leeuwen, J.; Jenks, W.S.; Greweii, D.; Cai, L. Ethanol Production, Purification, and Analysis Techniques: A Review. *Am. Soc. Agric. Biol. Eng. Annu. Int. Meet. ASABE* **2008**, *12*, 7210–7221. [CrossRef]

119. Pribic, P.; Roza, M.; Zuber, L. How to Improve the Energy Savings in Distillation and Hybrid Distillation-Pervaporation Systems. *Sep. Sci. Technol.* **2006**, *41*, 2581–2602. [CrossRef]

120. Iqbal, A.; Ahmad, S.A. Overview of Enhanced Distillations. *Int. J. Adv. Res. Sci. Eng.* **2015**, *4*, 263–270.

121. European Union. *Biofuel Mandates in the EU by Member State*—2022; USDA GAIN: Washington, DC, USA, 2022.

122. Giuntoli, J. *Advanced Biofuel Policies in Select EU Member States: 2018 Update*; ICCT: Washington, DC, USA, 2018.

123. Giuntoli, J. *Final Recast Renewable Energy Directive for 2021–2030 in the European Union*; ICCT: Washington, DC, USA, 2018.

124. Martin, J. *Project Liberty: Launch of an Integrated Bio-Refinery with Eco-Sustainable and Renewable Technologies*. *Conversion of Corn Stover Biomass to Bio-Ethanol, Final Report*; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office; Bioenergy Technologies Office: Golden, CO, USA, 2021.

125. 2G Ethanol. Available online: https://www.granbio.com.br/en/net-zero-solutions/etanol-2g/about-ethanol/ (accessed on 25 March 2024).

126. de Marignan, A.-L.; PonceletP, A.; Fulgoni, P. 2nd Generation Biofuels: An Industrial First For French FuturolTM Technology. Available online: https://www.ifpenergiesnouvelles.com/article/2nd-generation-biofuels-industrial-first-french-futuroltm-technology (accessed on 25 June 2020).

127. Garriga, C. FuturolTM—Simple, Integrated Cellulosic Ethanol Production Technology. Available online: https://www.axens.net/product/process-licensing/20121/futurol.html (accessed on 5 August 2020).

128. Projet-Futurol The Futurol Project. Available online: https://www.etipbioenergy.eu/images/frederic-martel.pdf (accessed on 25 June 2020).

129. Renewables Clariant Constructs Sunliquid® Bioethanol Plant in Romania. Available online: https://www.fuelsandlubes.com/clariant-constructs-sunliquid-bioethanol-plant-romania/ (accessed on 30 June 2020).

130. Sunliquid® Sunliquid®—An Efficient Production Process for Cellulosic Ethanol. Available online: https://sunliquid-project-fp7.eu/wp-content/uploads/2014/09/factsheet_sunliquid_en.pdf (accessed on 30 June 2020).

131. Domsjö Fabriker. Available online: http://www.domsjo.adityabirla.com/en/sidor/Media.aspx (accessed on 6 March 2024).

132. Winter, L. *We Make More from the Tree*; Domsjö Fabriker Biorefinery: Örnsköldsvik, Sweden, 2018.

133. Gírio, F.; Fonseca, C. *Final Report Summary—PROETHANOL2G (Integration of Biology and Engineering into an Economical and Energy-Efficient 2G Bioethanol Biorefinery)*; European Commission: Brussels, Belgium, 2015.
103. Zohri, A.-N.A.; Ragab, S.W.; Mekawi, M.I.; Mostafa, O.A.A. Comparison between Batch, Fed-Batch, Semi-Continuous and Continuous Techniques for Bio-Ethanol Production from a Mixture of Egyptian Cane and Beet Molasses. *Egypt. Sugar J.* **2017**, *9*, 89–111.

104. Ishizaki, H.; Hasumi, K. Ethanol Production from Biomass. In *Research Approaches to Sustainable Biomass Systems*; Elsevier: Amsterdam, The Netherlands, 2014; pp. 243–258. ISBN 9780124046092.

105. Fred, W.H.B.; Peterson, A.; Davenport, E. *Fermentation Characteristics of Certain Pentose-Destroying Bacteria*; Elsevier: Amsterdam, The Netherlands, 1920.

106. Chandel, A.K.; Chandrasekhar, G.; Radhika, K.; Ravinder, R. Bioconversion of Pentose Sugars into Ethanol: A Review and Future Directions. *Biotechnol. Mol. Biol. Rev.* **2011**, *6*, 8–20.

107. Singla, A.; Paroda, S.; Dhamija, S.S.; Goyal, S.; Shekhawat, K.; Amachi, S.; Inubushi, K. Bioethanol Production from Xylose: Problems and Possibilities. *J. Biofuels* **2012**, *3*, 1. [CrossRef]

108. Mishra, A.; Singh, P. *Microbial Pentose Utilization*; Elsevier Science: Amsterdam, The Netherlands, 1993; p. 39.

109. Sommer, P.; Georgieva, T.; Ahring, B.K. Potential for Using Thermophilic Anaerobic Bacteria for Bioethanol Production from Hemicellulose. *Biochem. Soc. Trans.* **2004**, *32*, 283–289. [CrossRef]

110. Mc Millan, J.D. *Xylose Fermentation to Ethanol: A Review*; NREL/TP-421-4944; National Renewable Energy Laboratory: Golden, CO, USA, 1993; p. 51.

111. Saloheimo, A.; Rauta, J.; Stasyk, O.V.; Sibirny, A.A.; Penttilä, M.; Ruohonen, L. Xylose Transport Studies with Xylose-Utilizing Saccharomyces Cerevisiae Strains Expressing Heterologous and Homologous Permeases. *Appl. Microbiol. Biotechnol.* **2007**, *74*, 1041–1052. [CrossRef]

112. Skoog, K.; Hahn-Hägerdal, B. Xylose Fermentation. *Enzyme Microb. Technol.* **1988**, *10*, 66–80. [CrossRef]

113. Hahn-Hägerdal, B.; Karhumaa, K.; Fonseca, C.; Spencer-Martins, I.; Gorwa-Grauslund, M.F. Towards Industrial Pentose-Fermenting Yeast Strains. *Appl. Microbiol. Biotechnol.* **2007**, *74*, 937–953. [CrossRef]

114. Hahn-Hägerdal, B.; Jeppsson, H.; Skoog, K.; Prior, B.A. Biochemistry and Physiology of Xylose Fermentation by Yeasts. *Enzyme Microb. Technol.* **1994**, *16*, 933–943. [CrossRef]

115. Fernández-Sandoval, M.T.; Galíndez-Mayer, J.; Bolívar, F.; Gosset, G.; Ramírez, O.T.; Martinez, A. Xylose-Glucose Co-Fermentation to Ethanol by *Escherichia coli* Strain MS04 Using Single- and Two-Stage Continuous Cultures under Micro-Aerated Conditions. *Microb. Cell Fact.* **2019**, *18*, 145. [CrossRef] [PubMed]

116. Mohd Azhar, S.H.; Abdulla, R.; Jambo, S.A.; Marbawi, H.; Gansau, J.A.; Mohd Faik, A.A.; Rodrigues, K.F. Yeasts in Sustainable Bioethanol Production: A Review. *Biochem. Biophys. Rep.* **2017**, *10*, 52–61. [CrossRef]

117. Ciani, M.; Comitini, F.; Mannazzu, I. Fermentation. In *Encyclopedia of Ecology*; Elsevier: Amsterdam, The Netherlands, 2008; pp. 1548–1557. [CrossRef]

118. Onuki, S.; Koziel, J.A.; Van Leeuwen, J.; Jenks, W.S.; Greweii, D.; Cai, L. Ethanol Production, Purification, and Analysis Techniques: A Review. *Am. Soc. Agric. Biol. Eng. Annu. Int. Meet.* ASABE **2008**, *12*, 7210–7221. [CrossRef]

119. Pribic, P.; Roza, M.; Zuber, L. How to Improve the Energy Savings in Distillation and Hybrid Distillation-Pervaporation Systems. *Sep. Sci. Technol.* **2006**, *41*, 2581–2602. [CrossRef]

120. Iqbal, A.; Ahmad, S.A. Overview of Enhanced Distillations. *Int. J. Adv. Res. Sci. Eng.* **2015**, *4*, 263–270.

121. European Union. *Biofuel Mandates in the EU by Member State*—2022; USDA GAIN: Washington, DC, USA, 2022.

122. Giuntoli, J. *Advanced Biofuel Policies in Select EU Member States: 2018 Update*; ICCT: Washington, DC, USA, 2018.

123. Giuntoli, J. *Final Recast Renewable Energy Directive for 2021–2030 in the European Union*; ICCT: Washington, DC, USA, 2018.

124. Martin, J. *Project Liberty: Launch of an Integrated Bio-Refinery with Eco-Sustainable and Renewable Technologies*. Conversion of Corn Stover Biomass to Bio-Ethanol, Final Report; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office; Bioenergy Technologies Office: Golden, CO, USA, 2021.

125. 2G Ethanol. Available online: https://www.granbio.com.br/en/net-zero-solutions/etanol-2g/about-ethanol/ (accessed on 25 March 2024).

126. de Marignan, A.-L.; PonceletP, A.; Fulgoni, P. 2nd Generation Biofuels: An Industrial First For French FuturolTM Technology. Available online: https://www.ifpenergiesnouvelles.com/article/2nd-generation-biofuels-industrial-first-french-futuroltm-technology (accessed on 25 June 2020).

127. Garriga, C. FuturolTM—Simple, Integrated Cellulosic Ethanol Production Technology. Available online: https://www.axens.net/product/process-licensing/20121/futurol.html (accessed on 5 August 2020).

128. Projet-Futurol The Futurol Project. Available online: https://www.etipbioenergy.eu/images/frederic-martel.pdf (accessed on 25 June 2020).

129. Renewables Clariant Constructs Sunliquid® Bioethanol Plant in Romania. Available online: https://www.fuelsandlubes.com/clariant-constructs-sunliquid-bioethanol-plant-romania/ (accessed on 30 June 2020).

130. Sunliquid® Sunliquid®—An Efficient Production Process for Cellulosic Ethanol. Available online: https://sunliquid-project-fp7.eu/wp-content/uploads/2014/09/factsheet_sunliquid_en.pdf (accessed on 30 June 2020).

131. Domsjö Fabriker. Available online: http://www.domsjo.adityabirla.com/en/sidor/Media.aspx (accessed on 6 March 2024).

132. Winter, L. *We Make More from the Tree*; Domsjö Fabriker Biorefinery: Örnsköldsvik, Sweden, 2018.

133. Gírio, F.; Fonseca, C. *Final Report Summary—PROETHANOL2G (Integration of Biology and Engineering into an Economical and Energy-Efficient 2G Bioethanol Biorefinery)*; European Commission: Brussels, Belgium, 2015.
134. ProEthanol2G On to Second-Generation Bioethanol. Available online: https://ec.europa.eu/programmes/horizon2020/en/news/second-generation-bioethanol (accessed on 8 October 2020).

135. Carvalho, A.C. Integration of Biology and Engineering into an Economical and Energy-Efficient 2G Bioethanol Biorefinery. Available online: https://cordis.europa.eu/project/id/251151 (accessed on 18 October 2022).

136. Bredal, T.H. 12 Million More for Borregaard Research. Available online: https://www.borregaard.com/company/news-archive/12-million-more-for-borregaard-research/ (accessed on 2 February 2023).

137. Robek, A. Borregaard's BALI TM Process Reaches Technical Readiness Level 7 as BIOFOREVER Project. Advances. Available online: http://news.bio-based.eu/borregaards-balitm-process-reaches-technical-readiness-level-7-as-bioforever-project-advances/ (accessed on 12 May 2021).

138. Gregg, J.S.; Bolwig, S.; Hansen, T.; Solér, O.; Ben Amer-Allam, S.; Viladecans, J.P.; Klitkou, A.; Fevolden, A. Value Chain Structures That Define European Cellulosic Ethanol Production. *Sustainability* **2017**, *9*, 118. [CrossRef]

139. Rødsrud, G.; Lersch, M.; Sjöde, A. History and Future of World's Most Advanced Biorefinery in Operation. *Biomass Bioenergy* **2012**, *46*, 46–59. [CrossRef]

140. Chempolis Seals Deal for Indian Biorefinery. Available online: https://chempolis.com/chempolis-seals-deal-for-indian-biorefinery/ (accessed on 16 July 2020).

141. Anttila, J. *Indian-European Joint Venture for the First Commercial Scale Cellulosic Biorefinery in Asia*; Chempolis: Oulu, Finland, 2019.

142. Milanese, S.D. Versalis: Biomass Power Plant Restarted at Crescentino and Bioethanol Production Onstream within the First Half of the Year. Available online: https://www.eni.com/en-IT/media/press-release/2020/02/versalis-biomass-power-plant-restarted-at-crescentino-and-bioethanol-production-onstream-within-the-first-half-of-the-year.html (accessed on 1 July 2020).

143. Ferrari, D. Versalis Restarts Biomass Power Plant at Crescentino Biorefinery and Expects Bioethanol Production Later This Year. Available online: https://bioenergyinternational.com/biochemicals-materials/versalis-restarts-biomass-power-plant-at-crescentino-biorefinery-and-expects-bioethanol-production-later-this-year (accessed on 1 July 2020).

144. Pescarolo, S. *Case Study on the First Advanced Industrial Demonstration Bioethanol Plant in the EU, and How It Was Financed*; ETIP Bioenergy: Aarhus, Denmark, 2013; pp. 1–14.

145. Piero, O. *Crescentino Biorefinery—PROESA™, Italy. Technology Demo/Industrial Scale Implementation*; IEA Bioenergy: Äänekoski, Finland, 2018.

146. Biochemtex. A New Era Begins-Crescentino: World's First Advanced Biofuels Facility. Available online: https://www.etipbioenergy.eu/images/crescentino-presentation.pdf (accessed on 3 July 2020).

147. Research and Development in the Seaweed Industry. Available online: https://news.algaeworld.org/2020/03/seaweed-the-new-ethanol/ (accessed on 6 July 2020).

148. von Keitz, M. Macroalgae Research Inspiring Novel Energy Resources (MARINER) Program Overview. *Arpa-e* **2017**, *313*, 19.

149. TATA. TATA Projects Wins Order for Bioethanol Plant in India. Available online: https://biofuels-news.com/news/tata-projects-wins-order-for-bioethanol-plant-in-india/ (accessed on 25 June 2020).

150. Project Overview. Available online: https://www.lignoflag-project.eu/lignoflag-project/overview/ (accessed on 30 June 2020).

151. Equity Bulls. IOCL's 2G Ethanol Bio-Refinery Based on Praj's Technology Inaugurated by Prime Minister Modi; Praj: Pune, India, 2022.

152. Praj Industries Ltd. In Brief Process Description of 2G Ethanol Process for Indian Oil Corporation Limited, India; Praj: Pune, India, 2018.

153. Valmet Valmet to Supply Automation to AustroCel's New Bioethanol Plant in Hallein, Austria. Available online: https://www.globenewswire.com/news-release/2020/05/05/2027274/0/en/Valmet-to-supply-automation-to-AustroCel-new-bioethanol-plant-in-Hallein-Austria.html#:~:text=Valmetwillsupplyautomationto,biofueltoreplacefossilfuel (accessed on 1 July 2020).

154. Dugandzic, I. Austrocel to Kick off Bioethanol Production at the End of Year. Available online: https://www.euwid-paper.com/news/markets/austrocel-to-kick-off-bioethanol-production-at-the-end-of-year/ (accessed on 25 February 2023).

155. Bacovsky, D.; Matschegg, D.; Kourkoumpas, D.; Tzelepi, V.; Sagani, A. *BIOFIT Case Study Report AustroCel Hallein*; Bioenergy and Sustainable Technologies GmbH: Wieselburg-Land, Austria, 2021; pp. 1–47.

156. Mäki, E.; Saastamoinen, H.; Melin, K.; Matschegg, D.; Pihkola, H. Drivers and Barriers in Retrofitting Pulp and Paper Industry with Bioenergy for More Efficient Production of Liquid, Solid and Gaseous Biofuels: A Review. *Biomass Bioenergy* **2021**, *148*, 106036. [CrossRef]

**Disclaimer/Publisher's Note:** The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.
134. ProEthanol2G On to Second-Generation Bioethanol. Available online: https://ec.europa.eu/programmes/horizon2020/en/news/second-generation-bioethanol (accessed on 8 October 2020).

135. Carvalho, A.C. Integration of Biology and Engineering into an Economical and Energy-Efficient 2G Bioethanol Biorefinery. Available online: https://cordis.europa.eu/project/id/251151 (accessed on 18 October 2022).

136. Bredal, T.H. 12 Million More for Borregaard Research. Available online: https://www.borregaard.com/company/news-archive/12-million-more-for-borregaard-research/ (accessed on 2 February 2023).

137. Robek, A. Borregaard's BALI TM Process Reaches Technical Readiness Level 7 as BIOFOREVER Project. Advances. Available online: http://news.bio-based.eu/borregaards-balitm-process-reaches-technical-readiness-level-7-as-bioforever-project-advances/ (accessed on 12 May 2021).

138. Gregg, J.S.; Bolwig, S.; Hansen, T.; Solér, O.; Ben Amer-Allam, S.; Viladecans, J.P.; Klitkou, A.; Fevolden, A. Value Chain Structures That Define European Cellulosic Ethanol Production. *Sustainability* **2017**, *9*, 118. [CrossRef]

139. Rødsrud, G.; Lersch, M.; Sjöde, A. History and Future of World's Most Advanced Biorefinery in Operation. *Biomass Bioenergy* **2012**, *46*, 46–59. [CrossRef]

140. Chempolis Seals Deal for Indian Biorefinery. Available online: https://chempolis.com/chempolis-seals-deal-for-indian-biorefinery/ (accessed on 16 July 2020).

141. Anttila, J. *Indian-European Joint Venture for the First Commercial Scale Cellulosic Biorefinery in Asia*; Chempolis: Oulu, Finland, 2019.

142. Milanese, S.D. Versalis: Biomass Power Plant Restarted at Crescentino and Bioethanol Production Onstream within the First Half of the Year. Available online: https://www.eni.com/en-IT/media/press-release/2020/02/versalis-biomass-power-plant-restarted-at-crescentino-and-bioethanol-production-onstream-within-the-first-half-of-the-year.html (accessed on 1 July 2020).

143. Ferrari, D. Versalis Restarts Biomass Power Plant at Crescentino Biorefinery and Expects Bioethanol Production Later This Year. Available online: https://bioenergyinternational.com/biochemicals-materials/versalis-restarts-biomass-power-plant-at-crescentino-biorefinery-and-expects-bioethanol-production-later-this-year (accessed on 1 July 2020).

144. Pescarolo, S. *Case Study on the First Advanced Industrial Demonstration Bioethanol Plant in the EU, and How It Was Financed*; ETIP Bioenergy: Aarhus, Denmark, 2013; pp. 1–14.

145. Piero, O. *Crescentino Biorefinery—PROESA™, Italy. Technology Demo/Industrial Scale Implementation*; IEA Bioenergy: Äänekoski, Finland, 2018.

146. Biochemtex. A New Era Begins-Crescentino: World's First Advanced Biofuels Facility. Available online: https://www.etipbioenergy.eu/images/crescentino-presentation.pdf (accessed on 3 July 2020).

147. Research and Development in the Seaweed Industry. Available online: https://news.algaeworld.org/2020/03/seaweed-the-new-ethanol/ (accessed on 6 July 2020).

148. von Keitz, M. Macroalgae Research Inspiring Novel Energy Resources (MARINER) Program Overview. *Arpa-e* **2017**, *313*, 19.

149. TATA. TATA Projects Wins Order for Bioethanol Plant in India. Available online: https://biofuels-news.com/news/tata-projects-wins-order-for-bioethanol-plant-in-india/ (accessed on 25 June 2020).

150. Project Overview. Available online: https://www.lignoflag-project.eu/lignoflag-project/overview/ (accessed on 30 June 2020).

151. Equity Bulls. IOCL's 2G Ethanol Bio-Refinery Based on Praj's Technology Inaugurated by Prime Minister Modi; Praj: Pune, India, 2022.

152. Praj Industries Ltd. In Brief Process Description of 2G Ethanol Process for Indian Oil Corporation Limited, India; Praj: Pune, India, 2018.

153. Valmet Valmet to Supply Automation to AustroCel's New Bioethanol Plant in Hallein, Austria. Available online: https://www.globenewswire.com/news-release/2020/05/05/2027274/0/en/Valmet-to-supply-automation-to-AustroCel-s-new-bioethanol-plant-in-Hallein-Austria.html#:~:text=Valmetwillsupplyautomationto,biofueltoreplacefossilfuel (accessed on 1 July 2020).

154. Dugandzic, I. Austrocel to Kick off Bioethanol Production at the End of Year. Available online: https://www.euwid-paper.com/news/markets/austrocel-to-kick-off-bioethanol-production-at-the-end-of-year/ (accessed on 25 February 2023).

155. Bacovsky, D.; Matschegg, D.; Kourkoumpas, D.; Tzelepi, V.; Sagani, A. *BIOFIT Case Study Report AustroCel Hallein*; Bioenergy and Sustainable Technologies GmbH: Wieselburg-Land, Austria, 2021; pp. 1–47.

156. Mäki, E.; Saastamoinen, H.; Melin, K.; Matschegg, D.; Pihkola, H. Drivers and Barriers in Retrofitting Pulp and Paper Industry with Bioenergy for More Efficient Production of Liquid, Solid and Gaseous Biofuels: A Review. *Biomass Bioenergy* **2021**, *148*, 106036. [CrossRef]

**Disclaimer/Publisher's Note:** The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.