Turning Waste Cooking Oil into Clean Energy: Evaluating Ethanol-Derived Biodiesel for High-Performance Commercial Burner Systems

Waste cooking oil is often regarded as an environmental burden due to improper disposal practices that contribute to water pollution, clogged drainage systems, and unnecessary waste generation. At the same time, increasing energy demand and growing concerns over fossil fuel dependency have intensified interest in renewable fuels that can be produced from locally available waste resources. Biodiesel derived from waste cooking oil represents one of the most promising circular economy solutions because it simultaneously addresses waste management challenges while providing an alternative source of clean-burning energy.

The study reviewed in this article investigates the production of biodiesel from waste cooking oil using an ethanol-based transesterification process and evaluates its combustion performance in a forced-draft commercial burner system. Unlike many previous studies that focus solely on biodiesel production or engine applications, this research integrates fuel synthesis, physicochemical characterization, and practical combustion testing within a commercial heating system. The comprehensive approach provides valuable engineering evidence regarding the feasibility of utilizing waste cooking oil as an alternative fuel for commercial cooking applications.

Conducted by researchers from the University of Science and Technology of Southern Philippines, the study compares biodiesel performance with conventional liquefied petroleum gas (LPG), evaluates thermal efficiency and combustion emissions, and examines the influence of ethanol-to-oil molar ratios on biodiesel production. The findings contribute to ongoing efforts toward sustainable energy utilization, waste valorization, and cleaner combustion technologies that can support small-scale commercial energy systems.

Bibliographic Information

Item Information
Article Title Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system
Authors Ma. Leona Maye B. Pepito, Jasper V. Acierto, Katrina Mae S. Raiz, Lance Erroyl J. Sambaan, and Alyssa Mae S. Tabasa
Journal Innovation in Engineering
Volume & Issue Volume 3, Issue 1
Publication Year 2026
Pages 55–68
DOI https://doi.org/10.58712/ie.v3i1.44
Publisher Researcher and Lecturer Society
ISSN 3047-5473
License Creative Commons Attribution 4.0 International (CC BY 4.0)
Keywords waste cooking oil; biodiesel; ethanol-based transesterification; forced-draft burner; combustion performance

1. Research Background

  • Waste cooking oil has become an important environmental challenge. Large quantities of used cooking oil are generated every year, particularly in urban commercial food sectors. Improper disposal into drainage systems contributes to water contamination, unpleasant odors, clogged sewer infrastructure, and broader environmental degradation. Transforming this waste into renewable fuel provides an opportunity to simultaneously reduce pollution and recover valuable energy resources.
  • Waste cooking oil is an attractive biodiesel feedstock. Rather than treating used cooking oil as waste, researchers increasingly recognize its potential as an inexpensive and sustainable raw material for biodiesel production. Utilizing waste-derived feedstocks also reduces competition with edible vegetable oils while supporting circular economy initiatives through waste valorization.
  • Transesterification remains the most widely adopted biodiesel production process. Biodiesel is commonly produced by reacting vegetable oils with alcohol in the presence of catalysts to generate fatty acid esters suitable for combustion applications. Although methanol is frequently used because of its low cost, ethanol offers a renewable and less hazardous alternative despite presenting additional process challenges.
  • High free fatty acid content complicates biodiesel production. Waste cooking oil generally contains elevated levels of water and free fatty acids that can reduce biodiesel yield by promoting soap formation during transesterification. Consequently, pretreatment through acid-catalyzed esterification is required to improve feedstock quality before biodiesel conversion.
  • Alcohol-to-oil molar ratio significantly influences conversion efficiency. The quantity of alcohol used during transesterification affects biodiesel yield, glycerol separation, and overall process efficiency. Identifying the optimal ethanol-to-oil ratio is therefore essential for maximizing biodiesel production while minimizing unwanted by-products.
  • Practical combustion performance remains insufficiently investigated. Previous research has largely concentrated on biodiesel production chemistry or diesel engine applications. Comparatively few studies have evaluated how waste cooking oil biodiesel performs in commercial burner systems used for cooking or heating, particularly regarding flame stability, combustion efficiency, fuel consumption, and emissions.
  • Forced-draft burner technology may improve biodiesel combustion. Airflow regulation and fuel atomization strongly influence combustion quality. Integrating biodiesel with a forced-draft burner system offers the potential to enhance air-fuel mixing, improve flame stability, reduce incomplete combustion, and achieve cleaner emissions compared with conventional burner configurations.
  • The study addresses an important engineering research gap. The research integrates biodiesel production, physicochemical characterization, and practical burner performance evaluation into a single experimental investigation. By combining fuel production with real-world combustion testing, the study provides engineering evidence regarding the viability of ethanol-derived waste cooking oil biodiesel as a renewable substitute for liquefied petroleum gas in commercial burner applications.

2. Research Objective

  • To optimize the conversion of waste cooking oil into biodiesel using a two-step esterification and ethanol-based transesterification process.
  • To investigate the influence of different ethanol-to-oil molar ratios (11:1, 12:1, and 13:1) on biodiesel production efficiency and glycerol formation.
  • To characterize the physicochemical properties of the produced biodiesel, including density, flash point, calorific value, pH, and compliance with ASTM D6751 biodiesel quality requirements.
  • To evaluate the combustion performance of waste cooking oil biodiesel in a forced-draft commercial burner by measuring flame stability, heating performance, thermal efficiency, fuel consumption, and combustion emissions.
  • To compare the heating performance of biodiesel with conventional liquefied petroleum gas (LPG) under controlled experimental conditions.
  • To assess the feasibility of utilizing ethanol-derived waste cooking oil biodiesel as a cleaner and renewable alternative fuel for small-scale commercial cooking applications.

3. Why This Research Matters

  • Transforms problematic waste into valuable renewable energy. Converting waste cooking oil into biodiesel reduces environmental pollution while creating an alternative energy source from materials that would otherwise require disposal.
  • Supports circular economy implementation. The research demonstrates how waste generated by commercial food businesses can be reintegrated into productive energy systems, improving resource efficiency and reducing environmental burdens.
  • Expands practical applications of biodiesel. Instead of limiting biodiesel evaluation to vehicle engines, the study explores its suitability for commercial burner systems, broadening the potential utilization of renewable fuels across different engineering sectors.
  • Provides engineering evidence for cleaner combustion technologies. Performance evaluation of thermal efficiency, fuel consumption, flame stability, and exhaust emissions enables engineers to assess whether biodiesel can serve as a practical replacement for conventional fossil fuels in heating applications.
  • Contributes to sustainable energy development. Replacing fossil-derived LPG with renewable biodiesel supports efforts to reduce dependence on non-renewable energy resources while encouraging locally produced alternative fuels.
  • Improves understanding of ethanol-based biodiesel production. The investigation of different ethanol-to-oil molar ratios provides practical guidance for optimizing biodiesel yield while maintaining acceptable fuel quality.
  • Supports future engineering innovation. The integration of biodiesel production, laboratory characterization, and commercial burner testing establishes a comprehensive experimental framework that can guide future research on renewable combustion technologies and waste-to-energy systems.

4. Research Methodology

  • Research Design

    The study employed an experimental engineering approach to investigate both the production of biodiesel from waste cooking oil (WCO) and its subsequent combustion performance in a commercial burner system. Rather than limiting the investigation to laboratory-scale biodiesel synthesis, the researchers integrated fuel production, physicochemical characterization, combustion testing, and emission analysis into a comprehensive experimental framework that evaluated the practical feasibility of using ethanol-derived biodiesel as a commercial heating fuel.

  • Research Setting and Feedstock Collection

    The experimental work was conducted at the Chemistry Department of the University of Science and Technology of Southern Philippines (USTP), Cagayan de Oro Campus. Waste cooking oil was collected from street food vendors operating at the Cogon Night Market under authorization from the City Economic Enterprises and Business Development Administration (CEEBDA), ensuring a regulated and consistent feedstock collection process representative of locally generated waste cooking oil.

  • Materials and Equipment

    The biodiesel production process utilized ethanol as the alcohol reactant, potassium hydroxide (KOH) as the alkaline catalyst during transesterification, and sulfuric acid (H₂SO₄) for acid-catalyzed esterification pretreatment. The burner assembly was designed using Autodesk Fusion 360 software and incorporated a forced-draft blower to improve airflow regulation and combustion stability.

    Fuel characterization employed several analytical instruments, including a Cleveland open-cup tester for flash point determination, a Parr oxygen bomb calorimeter for calorific value measurement, a pH meter for acidity evaluation, and an ENERAC 700AV gas analyzer to measure combustion emissions and combustion efficiency.

  • Waste Cooking Oil Pretreatment

    Because waste cooking oil typically contains elevated concentrations of free fatty acids and moisture, the collected oil first underwent pretreatment through coarse filtration to remove suspended impurities. The filtered oil was subsequently heated at 110°C for three hours to eliminate residual moisture before cooling to approximately 60°C.

    Acid-catalyzed esterification was then performed using sulfuric acid and ethanol. The reaction mixture was stirred for one hour and allowed to settle for two hours, reducing free fatty acid content prior to the transesterification stage.

  • Ethanol-Based Transesterification Process

    Following pretreatment, biodiesel was synthesized through alkaline transesterification. An ethoxide solution was prepared by dissolving potassium hydroxide in ethanol before being added to the heated waste cooking oil maintained at approximately 50–60°C.

    Three ethanol-to-oil molar ratios were investigated—11:1, 12:1, and 13:1—to determine their influence on biodiesel production efficiency. After completion of the reaction, the mixture was transferred into a separatory funnel and left overnight, allowing biodiesel and glycerol to separate into distinct phases for collection and subsequent analysis.

  • Physicochemical Characterization

    The produced biodiesel underwent laboratory characterization to evaluate several important fuel properties. Density measurements assessed compliance with biodiesel standards, while flash point testing determined fuel safety during handling and storage. Calorific value measurements quantified the energy content of the fuel, and pH measurements evaluated the presence of residual alkaline catalyst after production.

    Combustion emissions were simultaneously monitored using a gas analyzer capable of measuring carbon monoxide, hydrocarbon emissions, combustion efficiency, and other combustion parameters necessary for evaluating environmental performance.

  • Combustion Performance Evaluation

    Practical combustion testing was carried out using a forced-draft commercial burner equipped with a chimney system. The burner performance was evaluated through standardized boiling tests using one liter of water to determine heating capability under controlled operating conditions.

    Additional flame duration tests were performed to examine ignition behavior, flame stability, steady combustion characteristics, and fuel depletion time. Biodiesel performance was directly compared with conventional liquefied petroleum gas (LPG) to determine its practical suitability for commercial heating applications.

  • Engineering Performance Calculations

    The researchers applied stoichiometric and thermodynamic calculations throughout the investigation. These calculations included determining ethanol requirements for each molar ratio, theoretical biodiesel yield, biodiesel density, air-fuel ratio, fuel consumption rate, combustion firepower, total energy supplied during boiling, useful heat absorbed by water, thermal efficiency, and specific fuel consumption.

    The analytical framework enabled comprehensive comparison between biodiesel and LPG by combining fuel production performance with engineering measurements of combustion efficiency and thermal performance.


5. Key Findings

Optimal Biodiesel Production Was Achieved Using a 13:1 Ethanol-to-Oil Molar Ratio

Among the three investigated ethanol-to-oil molar ratios, the 13:1 ratio produced the highest crude biodiesel yield of 165.85 g while simultaneously generating the lowest glycerol by-product (32.43 g). The researchers concluded that increasing the amount of ethanol shifted the transesterification equilibrium toward biodiesel formation, improving production efficiency compared with the 11:1 and 12:1 ratios.

Although the measured biodiesel mass exceeded the original oil mass because of residual ethanol remaining in the unwashed biodiesel phase, the 13:1 molar ratio demonstrated the most favorable production performance and was selected for subsequent combustion experiments.

Conversion Efficiency Demonstrated the Importance of Process Optimization

The study observed a maximum biodiesel conversion efficiency of 86.39% before declining under excessive alcohol conditions. The decrease was attributed to the co-solvent effect of surplus ethanol, which promoted glycerol solubility within the biodiesel phase, reduced phase separation efficiency, and encouraged emulsion formation.

These findings indicate that biodiesel production requires careful optimization because increasing alcohol concentration beyond an appropriate level does not necessarily improve conversion performance.

Most Fuel Properties Satisfied Biodiesel Quality Requirements

Laboratory characterization demonstrated that the produced biodiesel possessed a flash point of 160°C and a calorific value of 35.65 MJ/kg, both of which satisfied important ASTM D6751 biodiesel quality requirements. These results indicate that the fuel provides adequate combustion energy while maintaining safe handling characteristics.

However, the measured density of 0.9756 g/mL exceeded the ASTM standard range. The researchers attributed this deviation to residual ethanol and oxidation products remaining in the biodiesel because no washing process was performed after transesterification. The measured pH value of 10.63 further suggested the presence of residual potassium hydroxide catalyst.

The Biodiesel Burner Heated Water Faster Than Conventional LPG

One of the most notable findings of the study was the superior heating performance demonstrated by biodiesel during boiling experiments. The biodiesel-powered burner heated one liter of water in 381.33 seconds, whereas LPG required 420.67 seconds under identical testing conditions.

This result demonstrates that ethanol-derived waste cooking oil biodiesel can provide competitive—and in this case improved—heating performance when utilized within a properly designed forced-draft burner system.

Forced-Draft Combustion Produced Stable Flame Characteristics

The burner achieved stable combustion shortly after ignition and maintained consistent flame characteristics throughout the majority of the combustion period. Stable combustion was observed after approximately 30 seconds, followed by an extended steady burning phase before fuel depletion occurred.

The researchers attributed this behavior to improved fuel atomization and enhanced air-fuel mixing generated by the forced-draft blower, which promoted more complete combustion compared with naturally aspirated burner configurations.

Thermal Efficiency Was Comparable to Practical Commercial Burners

Engineering analysis showed that the burner achieved a thermal efficiency of 19.46%, with a firepower of 3.875 kW and a specific fuel consumption of 1.48 MJ/L. Although a substantial proportion of heat was lost to the surrounding environment—as expected for open-flame burner systems—the measured performance demonstrates that biodiesel can provide practical thermal output suitable for commercial heating applications.

Combustion Emissions Indicated Cleaner Burning Performance

Emission analysis revealed carbon monoxide concentrations of only 22.3 ppm together with zero measurable hydrocarbon emissions during combustion. These results indicate that combustion occurred efficiently and that the forced-draft burner promoted nearly complete oxidation of the biodiesel fuel.

The combination of low carbon monoxide emissions and the absence of hydrocarbon emissions suggests that ethanol-derived waste cooking oil biodiesel can provide cleaner combustion than might typically be expected from untreated waste-derived fuels.

The Integrated Production and Combustion Approach Demonstrated Practical Feasibility

Beyond optimizing biodiesel synthesis, the study successfully demonstrated that waste cooking oil can be transformed into a renewable fuel capable of powering a commercial burner with competitive heating performance and favorable emission characteristics. The integration of laboratory fuel production, standardized fuel characterization, and practical combustion testing provides strong engineering evidence supporting the technical feasibility of converting waste cooking oil into a useful alternative energy source for small-scale commercial cooking applications.


6. Scientific Contribution

  • Introduces a comprehensive waste-to-energy framework by integrating biodiesel production, fuel characterization, combustion testing, and emission analysis within a single experimental investigation.
  • Demonstrates the effectiveness of ethanol-based transesterification as an alternative to conventional methanol-based biodiesel production using waste cooking oil feedstock.
  • Identifies the optimal ethanol-to-oil molar ratio for maximizing biodiesel production while minimizing glycerol formation during the conversion process.
  • Provides engineering evidence for commercial burner applications by evaluating biodiesel performance under realistic combustion conditions rather than limiting assessment to laboratory fuel characterization alone.
  • Expands knowledge of renewable combustion technologies through the application of a forced-draft burner system that improves flame stability, combustion efficiency, and emission performance.
  • Supports sustainable engineering development by demonstrating how waste cooking oil can be converted into a practical renewable fuel that simultaneously addresses waste management and clean energy production.

7. Industrial Implications

  • Supports commercial waste-to-energy initiatives. Restaurants, food courts, hotels, and commercial kitchens can potentially convert waste cooking oil into useful fuel instead of treating it solely as waste.
  • Reduces dependence on fossil fuels. The demonstrated burner performance indicates that biodiesel may serve as a renewable alternative to LPG in selected commercial heating applications.
  • Encourages sustainable waste management. Utilizing waste cooking oil as biodiesel feedstock reduces improper disposal while creating additional economic value from commercial food waste.
  • Promotes cleaner combustion technologies. The low carbon monoxide concentration and zero hydrocarbon emissions indicate that forced-draft biodiesel burners can contribute to improved combustion quality and reduced environmental impact.
  • Provides guidance for burner manufacturers. The successful integration of biodiesel with forced-draft airflow systems demonstrates opportunities for developing commercial burners specifically optimized for renewable liquid fuels.
  • Supports local renewable energy production. Communities with abundant waste cooking oil resources may establish decentralized biodiesel production systems capable of supplying clean-burning fuel for commercial cooking operations.
  • Strengthens circular economy implementation. The research illustrates how engineering innovation can transform locally generated waste streams into practical energy resources while reducing environmental pollution and supporting sustainable industrial development.

8. Research Limitations

  • The experimental investigation was conducted using waste cooking oil collected from a single commercial source in Cagayan de Oro City, Philippines. Variations in feedstock composition resulting from different cooking practices, food types, and degradation levels were not evaluated and may influence biodiesel quality and production efficiency.
  • Only three ethanol-to-oil molar ratios (11:1, 12:1, and 13:1) were investigated during the transesterification process. Other operating parameters, including catalyst concentration, reaction temperature, reaction time, mixing speed, and ethanol purity, were maintained constant and therefore were not optimized.
  • The produced biodiesel exceeded the ASTM D6751 density requirement, indicating that additional purification procedures may be necessary before large-scale commercial implementation. Residual ethanol and catalyst remaining after production affected several measured physicochemical properties.
  • The study evaluated combustion performance using a single forced-draft commercial burner configuration. The results may differ when biodiesel is used in alternative burner geometries, domestic stoves, industrial furnaces, or other combustion systems with different airflow characteristics.
  • Performance comparison was limited to liquefied petroleum gas (LPG). Other conventional fuels, biodiesel blends, bioethanol mixtures, or renewable liquid fuels were not included in the comparative analysis.
  • Combustion emissions focused primarily on carbon monoxide and hydrocarbon measurements. Other important environmental indicators such as nitrogen oxides (NOx), particulate matter, sulfur oxides, and carbon dioxide emissions were outside the scope of the present investigation.
  • The research evaluated short-term combustion performance under controlled laboratory conditions. Long-term burner durability, fuel storage stability, injector fouling, corrosion behavior, and maintenance requirements were not investigated.

9. Future Research Opportunities

  • Optimize additional biodiesel production parameters, including catalyst concentration, reaction temperature, reaction time, agitation speed, and purification methods, to further improve fuel quality and production efficiency.
  • Investigate advanced biodiesel purification techniques capable of reducing residual ethanol, catalyst contamination, and density deviations to achieve complete compliance with ASTM D6751 specifications.
  • Evaluate biodiesel produced from waste cooking oils originating from different commercial sectors, cooking methods, and geographical regions to assess feedstock variability and process robustness.
  • Conduct comprehensive combustion emission studies that include nitrogen oxides (NOx), particulate matter (PM), sulfur oxides (SOx), carbon dioxide (CO2), and greenhouse gas reduction potential.
  • Compare the combustion performance of pure biodiesel with various biodiesel-LPG hybrid systems, biodiesel blends, and other renewable liquid fuels suitable for commercial heating applications.
  • Investigate burner design optimization through computational fluid dynamics (CFD), advanced air-fuel mixing systems, and improved atomization technologies to enhance combustion efficiency further.
  • Evaluate long-term operational performance, burner durability, maintenance requirements, corrosion resistance, and fuel storage stability under continuous commercial operating conditions.
  • Perform techno-economic and life-cycle assessments to determine the economic feasibility, environmental sustainability, and commercialization potential of decentralized waste cooking oil biodiesel production systems.
  • Develop automated or smart burner systems capable of dynamically adjusting airflow and fuel supply to optimize biodiesel combustion under varying operating conditions.
  • Investigate the integration of waste cooking oil biodiesel into community-scale circular economy initiatives that combine waste collection, renewable fuel production, and sustainable commercial energy utilization.

10. Potential for Public Policy Citation (Overton)

This article demonstrates strong potential for citation in public policy documents because it addresses two policy priorities simultaneously: sustainable waste management and renewable energy utilization. By converting waste cooking oil into biodiesel suitable for commercial burner applications, the research provides technical evidence supporting circular economy implementation and cleaner energy production at the local level.

The findings may serve as valuable references for government agencies responsible for environmental protection, renewable energy development, waste management, and sustainable urban planning. Policies encouraging organized waste cooking oil collection, biodiesel production, and renewable fuel utilization could benefit from the engineering evidence presented in this study.

The research is particularly relevant for municipalities seeking to reduce improper disposal of used cooking oil while simultaneously promoting decentralized renewable energy systems for commercial food businesses. The demonstrated combustion performance, acceptable fuel quality, and favorable emission characteristics strengthen its applicability to future technical guidelines and sustainable energy policies.

Although the experimental work was conducted at laboratory scale using a specific burner configuration, the engineering methodology and waste-to-energy approach provide a practical foundation for future policy development related to biofuel adoption, circular economy initiatives, and sustainable commercial energy systems. Consequently, the article possesses moderate-to-high potential for future citation in public policy documents and technical guidance concerning renewable fuels and waste valorization.


11. Who Should Read This Paper?

  • Mechanical engineers specializing in thermal systems and combustion engineering.
  • Researchers working on biodiesel production and renewable energy technologies.
  • Chemical engineers interested in transesterification processes and biofuel production.
  • Environmental engineers focusing on waste management and circular economy strategies.
  • Graduate students studying renewable energy, sustainable engineering, and combustion technologies.
  • Researchers investigating alternative fuels and waste-to-energy systems.
  • Commercial burner and heating equipment manufacturers.
  • Restaurant, hospitality, and food service operators interested in sustainable energy solutions.
  • Government agencies responsible for renewable energy development and environmental protection.
  • Policy makers developing waste management, clean energy, and circular economy regulations.

12. Final Thoughts

This study presents a comprehensive engineering investigation that successfully bridges biodiesel production and practical combustion application. Rather than evaluating fuel synthesis alone, the researchers demonstrate how waste cooking oil can be converted into a renewable fuel capable of delivering competitive heating performance within a commercial forced-draft burner system. The integration of laboratory fuel production, physicochemical characterization, combustion testing, and emission analysis provides a well-rounded assessment of biodiesel performance under realistic operating conditions.

One of the most significant contributions of the research lies in its practical orientation. The superior heating performance observed during boiling experiments, together with stable combustion and low carbon monoxide emissions, indicates that waste cooking oil biodiesel possesses genuine potential as an alternative commercial heating fuel. Although several fuel properties require further refinement through improved purification processes, the overall engineering performance demonstrates that renewable fuels derived from waste materials can compete with conventional fossil fuels in selected applications.

Beyond its technical findings, the study reinforces broader sustainability objectives by illustrating how engineering innovation can simultaneously address waste management, renewable energy production, and environmental protection. As governments and industries continue pursuing circular economy strategies, research of this nature provides valuable scientific evidence supporting the transition from waste disposal toward resource recovery and cleaner energy utilization. Overall, this article represents an important contribution to renewable combustion engineering and offers a solid foundation for future developments in waste-derived biofuels for commercial energy systems.


13. Suggested Citations

Teknomekanik (UNP) Style

Pepito MLMB, Acierto JV, Raiz KMS, Sambaan LEJ, Tabasa AMS. Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system. Innovation in Engineering. 2026;3(1):55–68. https://doi.org/10.58712/ie.v3i1.44

APA (7th Edition)

Pepito, M. L. M. B., Acierto, J. V., Raiz, K. M. S., Sambaan, L. E. J., & Tabasa, A. M. S. (2026). Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system. Innovation in Engineering, 3(1), 55–68. https://doi.org/10.58712/ie.v3i1.44

IEEE Style

M. L. M. B. Pepito, J. V. Acierto, K. M. S. Raiz, L. E. J. Sambaan, and A. M. S. Tabasa, "Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system," Innovation in Engineering, vol. 3, no. 1, pp. 55–68, 2026, doi:10.58712/ie.v3i1.44.

Harvard Style

Pepito, M.L.M.B., Acierto, J.V., Raiz, K.M.S., Sambaan, L.E.J. & Tabasa, A.M.S., 2026. Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system. Innovation in Engineering, 3(1), pp.55–68. Available at: https://doi.org/10.58712/ie.v3i1.44.

Vancouver Style

Pepito MLMB, Acierto JV, Raiz KMS, Sambaan LEJ, Tabasa AMS. Performance evaluation of ethanol-derived waste cooking oil biodiesel in a forced-draft commercial burner system. Innovation in Engineering. 2026;3(1):55-68. doi:10.58712/ie.v3i1.44.

Chicago (Author–Date)

Pepito, Ma. Leona Maye B., Jasper V. Acierto, Katrina Mae S. Raiz, Lance Erroyl J. Sambaan, and Alyssa Mae S. Tabasa. 2026. "Performance Evaluation of Ethanol-Derived Waste Cooking Oil Biodiesel in a Forced-Draft Commercial Burner System." Innovation in Engineering 3 (1): 55–68. https://doi.org/10.58712/ie.v3i1.44.

MLA (9th Edition)

Pepito, Ma. Leona Maye B., et al. "Performance Evaluation of Ethanol-Derived Waste Cooking Oil Biodiesel in a Forced-Draft Commercial Burner System." Innovation in Engineering, vol. 3, no. 1, 2026, pp. 55–68. Crossref, https://doi.org/10.58712/ie.v3i1.44.


14. Editorial Note

Engineering Research Insights publishes independent scholarly reviews intended to help researchers, students, engineers, industry professionals, and policy makers understand recently published engineering research. This review is an editorial interpretation based exclusively on the original peer-reviewed article published in Innovation in Engineering. It is not a replacement for the original publication. Readers are encouraged to consult the complete article for detailed experimental procedures, datasets, equations, and technical discussions. All copyrights for the original research remain with the respective authors and publisher.


15. SEO Meta Description

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