# Topics and Trends in Most Cited Biofuel production and bioconversion Papers, Class of 2026

*Canonical URL: https://pri.pepkio.com/top-papers/biofuel-production-and-bioconversion/2026*

## What topics and trends defined most-cited Biofuel production and bioconversion research in the Class of 2026?

Lignocellulosic biomass, enzymatic hydrolysis, waste valorization, and biorefinery systems define top-cited biofuel research in the Class of 2026. Hemicellulose degradation, lignin valorization, and xylooligosaccharide recovery expanded rapidly from the Class of 2025, while general enzymatic hydrolysis, biomass recalcitrance, and high-level techno-economic analysis receded among leading publications.

## At a glance

| Fact | Value |
| --- | --- |
| Field | Biofuel production and bioconversion |
| Cohort label | Class of 2026 (2024 publications) |
| Papers analyzed | 8,229 |
| Papers ranked | 20 |
| Top topics in ranked papers | Lignocellulosic biomass, Enzymatic hydrolysis, Waste valorization, Biorefinery, Bioethanol |
| Publication window | Jan 1, 2024 – Dec 31, 2024 |
| Eligibility | Research articles; reviews excluded |
| Citation window | 18 months post-publication |
| 18m citation range | 44–280 |
| Data source | OpenAlex · Retrieved Jul 2026 |
| License | CC BY 4.0 |

## Rankings

| Rank | Title | Authors | Corresponding authors | Affiliation | Journal | 18m citations | DOI |
| ---: | --- | --- | --- | --- | --- | ---: | --- |
| 1 | Diseño y Construcción de un Biodigestor para la Producción de Biogás a partir de Residuos Orgánicos en Bolivia | Víctor Helmer, Raúl Alfredo Quispe Coca | Víctor Helmer | Universidad Técnica de Oruro, Bolivia | Revista horizonte académico | 280 | 10.70208/3007.8245.v4.n4.14 |
| 2 | Selective lignin arylation for biomass fractionation and benign bisphenols | Ning Li, Kexin Yan, Thanya Rukkijakan, Jiefeng Liang, Yuting Liu, Zhipeng Wang, Heran Nie, Suthawan Muangmeesri, Gonzalo Castiella-Ona, Xuejun Pan, Qunfang Zhou, Guibin Jiang, Guangyuan Zhou, John Ralph, Joseph S M Samec, Feng Wang | Joseph S. M. Samec, Feng Wang | Dalian Institute of Chemical Physics, China | Nature | 170 | 10.1038/s41586-024-07446-5 |
| 3 | The complex polyploid genome architecture of sugarcane | A L Healey, O Garsmeur, J T Lovell, S Shengquiang, A Sreedasyam, J Jenkins, C B Plott, N Piperidis, N Pompidor, V Llaca, C J Metcalfe, J Doležel, P Cápal, J W Carlson, J Y Hoarau, C Hervouet, C Zini, A Dievart, A Lipzen, M Williams, L B Boston, J Webber, K Keymanesh, S Tejomurthula, S Rajasekar, R Suchecki, A Furtado, G May, P Parakkal, B A Simmons, K Barry, R J Henry, J Grimwood, K S Aitken, J Schmutz, A D'Hont | Adam Healey, Jeremy Schmutz, Angélique D’Hont | HudsonAlpha Institute for Biotechnology, United States | Nature | 96 | 10.1038/s41586-024-07231-4 |
| 4 | Hydrothermal treatment of lignocellulosic biomass towards low-carbon development: Production of high-value-added bioproducts | Caiwei Wang, Wenli Zhang, Xueqing Qiu, Chunbao Xu | Caiwei Wang, Wenli Zhang, Xueqing Qiu, Chunbao Xu | Guangxi University, China | EnergyChem | 82 | 10.1016/j.enchem.2024.100133 |
| 5 | Release Pattern of Light Aromatic Hydrocarbons during the Biomass Roasting Process | Yaying Zhao, Yuqing Yan, Yuhang Jiang, Yang Cao, Zhuozhi Wang, Jiapeng Li, Chenshuai Yan, Danya Wang, Lu Yuan, Guangbo Zhao | Yang Cao, Zhuozhi Wang | Northeast Electric Power University, China | Molecules | 73 | 10.3390/molecules29061188 |
| 6 | Extraction strategies for lignin, cellulose, and hemicellulose to obtain valuable products from biomass | Limin Wang, Guanyan Li, Xiangmeng Chen, Yafeng Yang, Rock Keey Liew, Hala M. Abo‐Dief, Su Shiung Lam, Rahma Sellami, Wanxi Peng, Hanyin Li | Xiangmeng Chen, Yafeng Yang, Wanxi Peng, Hanyin Li | Henan Agricultural University, China | Advanced Composites and Hybrid Materials | 73 | 10.1007/s42114-024-01009-y |
| 7 | Optimisation of the Ethanol Fermentation Process Using Hydrothermal Pretreatment of Cellulose Waste—Effect of Fermentation Pattern and Strain | Jun Zhou, Pin Lv, Binsheng He, Jingjing Wu, Gao Wang, Hongzhi Ma, Yueyao Wang, Guiyun Chen | Hongzhi Ma, Guiyun Chen | Changsha Medical University, China | Molecules | 65 | 10.3390/molecules29225266 |
| 8 | Engineering thermostability of industrial enzymes for enhanced application performance | Kangjie Xu, Haoran Fu, Qiming Chen, Ruoxi Sun, Ruosong Li, Xinyi Zhao, Jingwen Zhou, Xinglong Wang | Jingwen Zhou, Xinglong Wang | Jiangnan University, China | International Journal of Biological Macromolecules | 65 | 10.1016/j.ijbiomac.2024.139067 |
| 9 | Engineering strategies to optimize lignocellulosic biorefineries | Bin Long, Fuzhong Zhang, Susie Y. Dai, Marcus Foston, Yinjie Tang, Joshua S. Yuan | Joshua S. Yuan | Texas A&M University, United States | Nature Reviews Bioengineering | 62 | 10.1038/s44222-024-00247-5 |
| 10 | A synthetic methylotrophic Escherichia coli as a chassis for bioproduction from methanol | Michael A Reiter, Timothy Bradley, Lars A Büchel, Philipp Keller, Emese Hegedis, Thomas Gassler, Julia A Vorholt | Michael Reiter, Julia A. Vorholt | ETH Zurich, Switzerland | Nature Catalysis | 61 | 10.1038/s41929-024-01137-0 |
| 11 | Lignin valorization reshapes sustainable biomass refining | Zhihua Liu, He Liu, Tao Xu, Zhi‐Min Zhao, Arthur J. Ragauskas, Bing‐Zhi Li, Joshua S. Yuan, Ying‐Jin Yuan | Zhihua Liu, Bing‐Zhi Li | Tianjin University, China | Renewable and Sustainable Energy Reviews | 61 | 10.1016/j.rser.2024.115296 |
| 12 | Comprehensive understanding of co-producing fermentable sugar, furfural, and xylo-oligosaccharides through the pretreatment with CTAB-based deep eutectic solvent containing Brønsted and Lewis acid | Zhengyu Tang, Bo Fan, Wei Tang, Yu-Cai He, Cuiluan Ma | Yu-Cai He, Cuiluan Ma | Changzhou University, China | Chemical Engineering Journal | 58 | 10.1016/j.cej.2024.150637 |
| 13 | Microbial mechanisms for higher hydrogen production in anaerobic digestion at constant temperature versus gradient heating | Heng Wu, Anjie Li, Huaiwen Zhang, Suqi Li, Caiyun Yang, Hongyi Lv, Yiqing Yao | Yiqing Yao | Northwest A&F University, China | Microbiome | 56 | 10.1186/s40168-024-01908-8 |
| 14 | H2 production from coal by enriching sugar fermentation and alkane oxidation with hyperthermophilic resistance microbes in municipal wastewater | Huaiwen Zhang, Yaojing Qiu, Tairan Liu, Xinya Yang, Ruixiao Yan, Heng Wu, Anjie Li, Jian Liu, Yahong Wei, Yiqing Yao | Yahong Wei, Yiqing Yao | Northwest A&F University, China | Chemical Engineering Journal | 54 | 10.1016/j.cej.2024.151487 |
| 15 | Double in-situ lignin modification in surfactant-assisted glycerol organosolv pretreatment of sugarcane bagasse towards efficient enzymatic hydrolysis | Guojie Song, Meysam Madadi, Xianzhi Meng, Chihe Sun, Mortaza Aghbashlo, Fubao Sun, Arthur J. Ragauskas, Meisam Tabatabaei, Alireza Ashori | Chihe Sun, Fubao Sun, Alireza Ashori | Jiangnan University, China | Chemical Engineering Journal | 53 | 10.1016/j.cej.2024.148713 |
| 16 | Life Cycle Assessment (LCA) of Bioplastics Production from Lignocellulosic Waste (Study Case: PLA and PHB) | Lacrimioara Senila, Eniko Kovacs, Maria-Alexandra Resz, Marin Senila, Anca Becze, Cecilia Roman | Enikő Kovács, Marin Șenilă | National Institute for Research and Development of Optoelectronics Bucharest INOE 2000, Romania | Polymers | 51 | 10.3390/polym16233330 |
| 17 | Earthworm modifies microbial community and functional genes for lignocellulosic waste valorization: Isolating plant-growth-promoting bacteria via next generation sequencing | Ratan Chowdhury, Soma Barman, Moharana Choudhury, Ki‐Hyun Kim, Satya Sundar Bhattacharya | Ki‐Hyun Kim, Satya Sundar Bhattacharya | Tezpur University, India | International Biodeterioration & Biodegradation | 50 | 10.1016/j.ibiod.2024.105854 |
| 18 | Reconstruction, simulation and analysis of enzyme-constrained metabolic models using GECKO Toolbox 3.0 | Yu Chen, Johan Gustafsson, Albert Tafur Rangel, Mihail Anton, Iván Domenzain, Cheewin Kittikunapong, Feiran Li, Le Yuan, Jens Nielsen, Eduard J Kerkhoven | Eduard J. Kerkhoven | Chalmers University of Technology, Sweden | Nature Protocols | 49 | 10.1038/s41596-023-00931-7 |
| 19 | A chromosomal-scale genome assembly of modern cultivated hybrid sugarcane provides insights into origination and evolution | Yixue Bao, Qing Zhang, Jiangfeng Huang, Shengcheng Zhang, Wei Yao, Zehuai Yu, Zuhu Deng, Jiaxin Yu, Weilong Kong, Xikai Yu, Shan Lu, Yibin Wang, Ru Li, Yuhan Song, Chengwu Zou, Yuzhi Xu, Zongling Liu, Fan Yu, Jiaming Song, Youzong Huang, Jisen Zhang, Haifeng Wang, Baoshan Chen, Xingtan Zhang, Muqing Zhang | Qing Zhang, Baoshan Chen, Xingtan Zhang, Muqing Zhang | Guangxi University, China | Nature Communications | 48 | 10.1038/s41467-024-47390-6 |
| 20 | Furfural production from lignocellulosic biomass: one-step and two-step strategies and techno-economic evaluation | Yuqi Bao, Zicheng Du, Xiaoying Liu, Hui Liu, Jinsong Tang, Chengrong Qin, Chen Liang, Caoxing Huang, Shuangquan Yao | Shuangquan Yao | Guangxi University, China | Green Chemistry | 44 | 10.1039/d4gc00883a |

## Topic trends

### What Topics Define the Class of 2026?

Lignocellulosic biomass dominates early-high-impact research in the Class of 2026, appearing in 19 of 50 top-cited papers (normalized frequency 0.38). This foundational feedstocks focus is anchored by three secondary thematic pillars—enzymatic hydrolysis, waste valorization, and biorefinery integration—each represented in 9 papers (0.18). Downstream biofuel outputs and processing routes maintain steady visibility through bioethanol (7 papers, 0.14), delignification (6 papers, 0.12), and biogas (6 papers, 0.12). Mid-tier topics highlight specific mechanistic and evaluation parameters, including hemicellulose degradation (5 papers, 0.10), biomass recalcitrance (5 papers, 0.10), techno-economic analysis (5 papers, 0.10), and anaerobic digestion (5 papers, 0.10). Advanced bioprocessing themes such as lignin valorization, hemicellulose extraction, cellulose digestibility, and sugar yield appear in 4 papers each (0.08), while metabolic engineering and life cycle assessment anchor 3 papers each (0.06). Overall, the informative topic landscape demonstrates that high-impact biofuel literature is heavily centered on optimizing pretreatment strategies, overcoming cell wall recalcitrance, and scaling circular biorefinery models to convert agricultural waste into renewable bioenergy and value-added biochemicals.

*Leading research themes*

### How Did Topics Shift from the Class of 2025 to the Class of 2026?

Comparing normalized concept frequencies between the Class of 2025 (2023 publications) and Class of 2026 (2024 publications) reveals a clear shift from generalized biomass characterization toward targeted component degradation and high-value co-product valorization. Hemicellulose degradation led all rising topics, gaining +0.08 in normalized frequency (1 to 5 papers). Lignin valorization increased by +0.06 (1 to 4 papers), while specialized products like xylooligosaccharides (+0.06; 0 to 3 papers) and cellulose degradation (+0.06; 0 to 3 papers) emerged strongly in 2024. Biorefinery (+0.02; 8 to 9 papers) and bioethanol (+0.02; 6 to 7 papers) also gained modest ground. Conversely, broad process terms experienced notable contractions: enzymatic hydrolysis dropped by −0.16 (17 to 9 papers), while biomass recalcitrance (−0.10; 10 to 5 papers), techno-economic analysis (−0.10; 10 to 5 papers), cellulose digestibility (−0.10; 9 to 4 papers), and general lignocellulosic biomass (−0.10; 24 to 19 papers) all receded. Systems-level modeling like life cycle assessment (−0.08; 7 to 3 papers) and biodiesel (−0.08; 6 to 2 papers) also declined among top-cited works. Together, these trends indicate that leading researchers are concentrating on precise biochemical fractionations and value-added lignin/hemicellulose co-products rather than general recalcitrance metrics.

*How topics shifted year over year*

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Biofuel production and bioconversion Papers, Class of 2026. https://pri.pepkio.com/top-papers/biofuel-production-and-bioconversion/2026. Accessed 2026-07-21.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
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