OOIR: Observatory of International Research

Papers

(The median citation count of Biofuels-UK is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
Biogas-based fuels as renewable energy in the transport sector: an overview of the potential of using CBG, LBG and other vehicle fuels produced from biogas	36
Strategy for repurposing of disposed PPE kits by production of biofuel: Pressing priority amidst COVID-19 pandemic	26
Machine learning prediction of the conversion of lignocellulosic biomass during hydrothermal carbonization	22
Lignite biosolubilization and bioconversion by Bacillus sp.: the collation of analytical data	21
Drivers and barriers to the implementation of biogas technologies in Bangladesh	21
Biogas policies and production development in Europe: a comparative analysis of eight countries	19
Potential of barley straw for high titer bioethanol production applying pre-hydrolysis and simultaneous saccharification and fermentation at high solid loading	17
Evaluation of MWCNT as fuel additive to diesel–biodiesel blend in a direct injection diesel engine	16
Hydrogen production via biomass gasification: simulation and performance analysis under different gasifying agents	16
Techno-economic analysis of biodiesel production over lipid extracted algae derived catalyst	12
Co-carbonization of waste biomass with expanded polystyrene for enhanced biochar production	12
Performance and exergy analysis of a diesel engine run on petrodiesel and biodiesel blends containing mixed CeO₂ and MoO₃ nanocatalyst	12
Performance and emission levels of butanol, acetone-butanol-ethanol, butanol-acetone/diesel blends in a diesel engine	11
Influence of salinity and nitrogen in dark on Dunaliella tertiolecta’s lipid and carbohydrate productivity	11
Biogas potential determination and production optimisation through optimal substrate ratio feeding in co-digestion of water hyacinth, municipal solid waste and cow dung	10
Effect of diesel and pentanol blends on PAH formation and regulated pollutants	10
Techno-economic analysis of processes for biodiesel production with integrated co-production of higher added value products from glycerol	10
Transesterification of non-edible castor oil (Ricinus communis L.) from Mexico for biodiesel production: a physicochemical characterization	10
Enhancing the fuel properties of beverage wastes as non-edible feedstock for biofuel production	10
Biofuels from spent coffee grounds: comparison of processing routes	9
Hydrothermal liquefaction of municipal wastewater sludge and nutrient recovery from the aqueous phase	8
Effect of zeolitic nano-catalyst on biodiesel yield and biochar formation during the pyrolysis of tallow	7
Advances in sustainable biofuel production from fast pyrolysis of lignocellulosic biomass	7
Synechococcus PCC 7002 to produce a carbohydrate-rich biomass treating urban wastewater	7
Forest biomass potential for wood pellets production in the United States of America for exportation: a review	6

Evaluation of Chlorella sorokiniana cultivated in outdoor photobioreactors for biodiesel production	6
Assessing the potential of nutrient deficiency for enhancement of biodiesel production in algal resources	6
Potential of biofuels production from wheat straw biomass, current achievements and perspectives: a review	6
Valorization of co-products generated by argan oil extraction process: application to biodiesel production	6
Two-step fermentation of cooked rice with Aspergillus oryzae and Clostridium acetobutylicum YM1 for biobutanol production	6
Advancing the circular economy through the thermochemical conversion of waste to biochar: a review on sawdust waste-derived fuel	6
Effect of dispersant added graphene nanoplatelets with diesel–Sterculia foetida seed oil biodiesel blends on diesel engine: engine combustion, performance and exhaust emissions	6
Rubber seed (Hevea brasiliensis) oil biodiesel emission profiles and engine performance characteristics using a TD202 diesel test engine	6
Effects of stably dispersed carbon nanotube additives in yellow oleander methyl ester-diesel blend on the performance, combustion, and emission characteristics of a CI engine	5
Thermogravimetric and combustion efficiency analysis of Jatropha curcas biodiesel and its derivatives	5
A retrospect on recent research works in the preparation of zeolites catalyst from kaolin for biodiesel production	5
Positioning the biofuel policy in the bioeconomy of theBioEastmacro-region	5
Utilization of paper mill sludge as a sustainable source of hydrogen production	5
Barriers to development and adoption of biogas in Mokambo peri-urban of Mufulira, Zambia: how does local government fail to provide renewable energy?	5
Pomelo peel and sugar beet pulp as novel biosorbents in purification of biodiesel	5
Experimental evaluation of cottonseed oil-camphor binary blends on diesel engine performance, combustion, exhaust and cyclic variance parameters	5
Experimental study and validation of a kinetic scheme for hydrothermal carbonization reactions	5
Microwave-assisted pyrolysis of pine sawdust (Pinus patula) with subsequent bio-oil transesterification for biodiesel production	4
Recovery of waste biomass: pyrolysis and characterization of sugarcane residues and their bio-oils	4
Evaluation of the yield, productivity, and composition of fatty acids methyl esters (FAME) obtained from the lipidic fractions extracted fromChlorella sorokinianaby using ultrasound and agitati	4
Process optimization of KOH catalyzed biodiesel production from crude sunflower-mahua oil	4
Great expectations—future scenarios for production and use of biogas and digestate in Sweden	4
Energy recovery from brewery spent grains and spent coffee grounds: a circular economy approach to waste valorization	4
Small-scale biodiesel production for on-farm energy security: a sustainable income diversification opportunity for oilseed producers	4
Microwave subcritical water pre-treatment and enzymatic hydrolysis of geographical identification (GI) tag Indian black rice (Chakhao Poireiton) straw for fermentable sugar production	4
Effect of synthetic antioxidant-doped biodiesel in the low heat rejection engine	4
Effects of drying temperatures and storage conditions on the levels of lipids and starches in corn grains for yield ethanol industry	4
A bibliometric analysis of studies on diesel engines fuelled with biodiesel and its blends: trends, hotspots, and future research	3
Effects of ethyl proxitol (1-ethoxy-2-propanol) additive on combustion and emission characteristics of biodiesel blends	3
The assessment of fusel oil in a compression-ignition engine in the perspective of the waste to energy concept: investigation of the performance, emissions, and combustion characteristics	3
Bioethanol fuel quality assessment using dielectric spectroscopy	3
Methane, a renewable biofuel: from organic waste to bioenergy	3
Ensiling parameters in vertical columns and multiple kinetic models evaluation of biomethane potential of ensiled sugar beet leaves	3
Microturbine characteristics and emissions using biofuel blends	3
A combined study of filterability and soaking strength of fuel filter and effect of injection timing on CI engine characteristics using Ceiba pentandra biodiesel	3
Exergy analysis of fusel oil as an alternative fuel additive for spark ignition engines	3
Synthesis of Sn-CaO as a bifunctional catalyst and its application for biodiesel production from waste cooking oil	3
Overview of microwave-assisted transesterification technology for biodiesel production with bibliometric indicators	3
Performance optimization by study of tribological and rheological properties of dates oil with graphene oxide nano-additives	3
The feasibility of renewable energy recovery from municipal solid wastes in Palestine based on different scenarios	3
Optimizing the grass bio methanation in lab scale reactor utilizing response surface methodology	3
Comparative study between compost and granular sludge inoculums as promising microbial consortia sources for biohydrogen production from food industry wastewater	3
A semi-industrial reactor for producing biodiesel from waste cooking oil	3
Enhancing biochar properties through doping: A comparative study of sugarcane bagasse and chicken feather	3
Analysis of biogas production potential based on livestock dung availability: A case of household biogas plants in Nepal	3
Research on the usability of various oxygenated fuel additives in a spark-ignition engine considering thermodynamic and economic analyses	2
Ionic liquid and microwave irradiation synergism for efficient biodiesel synthesis from waste cooking oil	2
New insight into air/spray boundary interaction for diesel and biodiesel fuels under different fuel temperatures	2
The pre-acidification gas impact on upgrading the biogas produced in expanded granular sludge bed reactor	2
The capacity of major countries in Southeast Asia in meeting biodiesel mandates and pursue higher blends based on available major feedstocks	2

Performance optimization of gasoline engine fueled with ethanol/n-butanol/gasoline blends using response surface methodology	2
Sweet sorghum and bagasse: a comprehensive review of feedstock traits, conversion processes, and economic viability for bioethanol and biogas production	2
Influence of graphene oxide nanoparticles dispersed mahua oil biodiesel on diesel engine: performance, combustion, and emission study	2
Exploring the potential of microalgae cell factories for generation of biofuels	2
Experimental investigation of fuel properties and engine operation with natural and synthetic antioxidants added to biodiesel	2
Comparative assessment of biochar produced from LDPE and neem leaves using batch and semi-batch biomass fuel-based reactors	2
Determination of fundamental mechanical properties of biomass using the cubical triaxial tester to model biomass flow	2
Physicochemical characterization, thermal analysis and pyrolysis kinetics of lignocellulosic biomasses	2
Screening of best growth media for Chlorella vulgaris cultivation and biodiesel production	2
Biodiesel production from Nannochloropsis oculata cultured at stressful carbon dioxide concentration and light illumination	2
Price volatility spillovers between Canadian and US, agricultural and fuel markets	2
Studying the kinetics of rapeseed oil reactions with methanol, methyl formate, and methyl acetate under mild conditions for biodiesel production	2
Biodiesel production from fish oil: a review	2
Biochar from Delonix regia pod: consideration of an updraft retort carbonisation process	2
Engineering Clostridium acetobutylicum to utilize cellulose by heterologous expression of a family 5 cellulase	2
Biodiesel production from date seed oil via CaO-derived catalyst from waste eggshell	2
Process intensification of microwave-assisted acetylation reaction of glycerol to synthesize fuel additives using porcine pancreas lipase catalyst	2
Hydrothermal liquefaction of spent coffee grounds followed by biocatalytic upgradation to produce biofuel: a circular economy approach	2
Investigation of the attitudes of Greek consumers towards the biofuel’s consumption using social acceptance theory	2
Plant design of biodiesel production from waste cooking oil in Malaysia	2
Nanoparticles-suspended biodiesel and its blends in compression ignition engines: a bibliometric analysis of research trend and future outlook	2
PPE kit to bio-oil: an experimental investigation	2
Chemical characterization of acid-pretreated renewable resources: effect of pretreatment time	2
Production of bioethanol from Saccharum spontaneum by simultaneous saccharification and electro-fermentation using mixed culture of microbes	2
A review of microalgal cell wall composition and degradation to enhance the recovery of biomolecules for biofuel production	2
Characterization of Portuguese woody biomass: alignment with the ENPlus® standard for the certification of wood pellets	1
High yield production of lipid and carotenoids in a newly isolated Rhodotorula mucilaginosa by adapting process optimization approach	1
Utilization of zinc doped biochar catalyst for biodiesel production from waste cooking oil: process optimization and characterization	1
Electrodes materials evaluation in plant microbial fuel cells: a comparison of graphite and stainless steels	1
Towards sustainable continuous co-production of biodiesel and ether from wet microalgae- a review	1
Exploring the present and future of biomass recovery units: technological innovation, policy incentives and economic challenges	1
Pre-treatment of waste cooking oil by combined activated carbon adsorption and acid esterification for biodiesel synthesis via two-stage transesterification	1
Application of passion fruit seed meal in alternative biodiesel purification process: study of glycerol adsorption mechanism and incorporation into polymeric membrane	1
Optimization studies on bio-oil yield using microwave-assisted pyrolysis of bio-sludge	1
Impact of mixed feedstock of wheat straw, willow and Miscanthus on enzymatic hydrolysis and inhibitor production after microwave hydrothermal pre-treatment in Europe	1
Gut microbiota of cattle and horses and their use in the production of ethanol and lactic acid from timothy hay	1
Novel thermotolerant yeast suitable for industrial bioethanol production	1
Integrating operating conditions to develop a neural network for predicting organics removal and power density in an earthen microbial fuel cell treating leachate	1
Multiresponse optimization of biodiesel obtained from a mixture of soybean oil, beef tallow, and waste cooking oil	1
Combination of oscillatory and hydrodynamic system for biodiesel production from sunflower oil	1
Transesterification of vegetable oils into biodiesel by an immobilized lipase: a review	1
Hydroxy sulfonic acid catalyzed hydrolysis of cellulose	1
Design and fabrication of smooth periodic constriction reactor to biodiesel production from waste cooking oil	1
Multiobjective non linear model predictive control of transesterification and lipid oil production	1
Potential use of thermophilic bacteria for second-generation bioethanol production using lignocellulosic feedstocks: a review	1
Influence of electron beam irradiation on nitrogen-saturated biodiesel	1
Equivalent circuits studied by means of electrochemical tests employing different inoculum and simultaneous treatment during bioelectricity production in a single chamber-microbial fuel cell	1
Transmission of variations in the biodiesel mandate for Brazilian biodiesel market	1
Rheological and tribological properties of Jatropha curcas biolubricants at various blend concentrations	1
Potential of Pistacia atlantica mutica (Baneh) oil as a biodiesel feedstock using ultrasonic-assisted intensification process	1
Non-energetic application of carbon-rich torrefied biomass in the bioeconomy: a review	1
A comprehensive assessment of vehicular performance and emission characteristics during real-time test-runs using selected bio-ethanol–gasoline blends	1
Analyses of the efficiency of a recombinant vanillyl alcohol oxidase in producing vanillin in the hydrothermal liquefaction aqueous phase	1
Production and characterization of hierarchical zeolite Y catalyst for biodiesel production using waste cooking oil as a feedstock	1
Thermochemical recovery of waste wood in a domestic wood stove: influence of the geometry of wood batch in the fireplace on pollutant emissions	1
An AI-based approach to improve the fuel properties and performance of nano graphene added straight Karanja oil prepared with optimal dispersion parameters	1
Assessment of heterogeneous catalysts obtained from chicken egg shells and diatomite for biodiesel production	1
Influence of high carbonization temperatures on key performance indicators of Arundo donax derived biochars	1
Analysis of the performance and products in the torrefaction of sugarcane bagasse with different particle sizes	1
The effects of the usage of silicon dioxide (SiO₂) and titanium dioxide (TiO₂) as nano-sized fuel additives on the engine characteristics in diesel engines: a review	1
Watermelon (Citrullus vulgaris) seed oil as a potential feedstock for biodiesel production in Nigeria	1
Calorific value prediction models of processed refuse derived fuel 3 using ultimate analysis	1
Chemical pretreatment of corncob for the selective dissolution of hemicellulose and lignin: influence of pretreatment on the chemical, morphological and thermal features	1
Experimental investigation of carbon nanotube additives on CRDI engine fueled with Chlorella vulgaris microalgae methyl ester and bio-ethanol blends: performance, emission and combustion charac	1
Xylanase enhanced second-generation bioethanol production through simultaneous saccharification and fermentation	1
Kinetic and thermodynamic approaches on biodiesel reaction in a simultaneously cooled enhanced microwave system	1
Investigating and optimizing the mixture of hydrogen-biodiesel and nano-additive on emissions of the engine equipped with exhaust gas recirculation	1
Bio-electricity production in a single-chamber microbial fuel cell using urine as a substrate	1
Experimental investigation of elastomer compatibility and engine performance of biodiesel derived from deodorizer distillate	1
Optimization of microwave pretreatment parameters of elephant grass by response surface methodology and kinetic study of its biomethanation	1
Metabolic engineered E. coli for the production of (R)-1,2-propanediol from biodiesel derived glycerol	1
Biofuels as a Key Renewable Energy Source: a Review of Life Cycle Assessment Studies in South Africa	1
Process intensification studies in synthesis of biodiesel with a helical coil continuous microreactor	1
Dual feedstock pyrolysis of Aegle marmelos pressed seed cake and novel Annona squamosa seed particles: the effect of dual natural antioxidant on the oxidation stability of derived co-pyr	1
Compositional study of bio-oil obtained from torrefaction of mixed food waste using H-NMR, ¹³C-NMR, DEPT 90 & 135, and GC-MS	1
Influence of acetic and butyric acid and gas release modes on immobilized Clostridium acetobutylicum (DSMZ 792) in repeated batch experiments	1
Esterification of enzymatically treated macaw palm oil catalyzed by heteropolyacid supported onto Nb₂O₅	1
Simultaneous computational modelling and experimental validation for Sterculia urens oil extraction for biodiesel application	1
Exergy and energy analysis of compression ignition engine using diesel and karanja oil blends under varying compression ratio and engine load	1