G. Bidini, U. Desideri, S. Saetta, P. P. Bocchini, “Internal Combustion Engine Combined Heat and Power Plants : Case Study of the University of Perugia Power Plant”, Applied Thermal Engineering, Vol. 18, No. 6, pp. 401-412, (1998).
 Y. Wang, H. Liu, C. F Lee, “Particulate matter emission characteristics of diesel engines with biodiesel or biodiesel blending : A review”, Renewable and Sustainable energy Reviews, Vol. 64, pp. 569–581, (2016).
 B. E. O. Eboibi, D. M. Lewis, P. J. Ashman, S.Chinnasamy, “Effect of operating conditions on yield and quality of biocrude during hydrothermal liquefaction of halophytic microalga Tetraselmis sp.”, Bioresource Technology, Vol. 170, pp. 20–29, (2014).
 E. Alptekin, “Emission, injection and combustion characteristics of biodiesel and oxygenated fuel blends in a common rail diesel engine”, Energy, Vol. 119, pp. 44–52, (2017).
 S. M. Hosseini, R. Ahmadi, “Performance and emissions characteristics in the combustion of co-fuel diesel-hydrogen in a heavy duty engine”, Applied Energy, Vol. 205, pp. 911–925, (2017).
 L. Zhou, H. Wei, “An investigation of in situ adaptive tabulation for premixed and non-premixed combustion engine simulations with primary reference fuel mechanism”, Applied Thermal Engineering, Vol. 111, pp. 526–536, (2017).
 Y. Chisti, J. Yan, “Energy from algae : Current status and future trends Algal biofuels – A status report”, Applied Energy, Vol. 88, No.10, pp. 3277–3279, (2011).
 E. Song, Z. Liu, L.Yang, C. Yao, J. Sun, Q. Dong, “Effects of nozzle structure on the gas mixture uniformity of marine gas engine”, Ocean Engineering, Vol. 142, pp. 507–520, (2017).
 G. Krajacˇic, N. Duic´, M. Vujanovic´, S. Kılkıs, M. A. Rosen, M. A. Al-Nimr, “Sustainable development of energy, water and environment systems for future energy technologies and concepts”, Energy Conversion and Management, Vol. 125, pp. 1-14, (2016).
 Y. Hu, H. Li, J. Yan, “Integration of evaporative gas turbine with oxy-fuel combustion for carbon dioxide capture”, International Journal of Green Energy, Vol. 7, No.6, pp. 37–41, (2010).
 J. D. Lee, J. Yan, S. K. Chou, U. Desideri, “Clean, efficient, affordable and reliable energy for a sustainable future”, Energy Conversion and Management, Vol. 102, pp. 1–3, (2015).
 J. Li, W. M. Yang, H. An, A. Maghbouli, S. K. Chou, “Effects of piston bowl geometry on combustion and emission characteristics of biodiesel fueled diesel engines”, Fuel, Vol. 120, pp. 66–73, (2014).
 F. M. Hossain, N. Nabi, T. J. Rainey, T. Bodisco, K. Suara, S. M. A. Rahman, T. C. Van, Z. Ristovski, R. J. Brown, “Investigation of microalgae HTL fuel effects on diesel engine performance and exhaust emissions using surrogate fuels”, Energy Conversion and Management, Vol. 152, pp. 186–200, (2017).
 U. Rajak, T. N. Verma, “Comparative assessment of the emission characteristics of first, second and third generation biodiesel as fuel in a diesel engine”, Journal of Thermal Engineering, (2018). (Accepted Manuscript).
 O. A. Elsanusi, M. M. Roy, M. S. Sidhu, “Experimental investigation on a diesel engine fueled by diesel-biodiesel blends and their emulsions at various engine operating conditions”, Applied Energy, Vol. 203, pp. 582–593, (2017).
 S. Salam, T. N. Verma, “Appending empirical modelling to numerical solution for behaviour characterisation of microalgae biodiesel”, Energy Conversion and Management, Vol. 180, pp. 496-510, (2019).
 R. Vihar, Z. Urban, T. Seljak, T. Katrasnik, “Combustion and emission formation phenomena of tire pyrolysis oil in a common rail Diesel engine”, Energy Conversion and Management, Vol. 149, pp. 706-721, (2017).
 Z. Wen, X. Yu, S. T. Tu, J. Yan, E. Dahlquist, “Biodiesel production from waste cooking oil catalyzed by TiO 2 – MgO mixed oxides”, Bioresource Technology, Vol. 101, No. 24, pp. 9570–9576, (2010).
 D. Sonar, S. L. Soni, D. Sharma, A. Srivastaba, R. Goyal, “Performance and emission characteristics of a diesel engine with varying injection pressure and fuelled with raw mahua oil (preheated and blends) and mahua oil methyl ester”, Clean Technologies and Environmental Policy, Vol. 17, No. 6, pp. 1499–1511, (2015).
 S. S. Hoseini, G. Naja, B. Ghobadian, R. Mamat, N. Azwadi, C. Sidik, W. H. Azmi, “The effect of combustion management on diesel engine emissions fueled with biodiesel-diesel blends”, Renewable Energy and sustainable Reviews, Vol. 73, pp. 307–331, (2017).
 S. Vedharaj, R. Vallinayagam, W. M. Yang, C. G. Saravanan, S. K. Chou,, K. J. E. Chua, P. Lee, “Reduction of harmful emissions from a diesel engine fueled by kapok methyl ester using combined coating and SNCR technology”, Energy Conversion and Management, Vol. 79, pp. 581–589, (2014).
 T. S. A. Singh, T. N. Verma, “Taguchi design approach for extraction of methyl ester from waste cooking oil using synthesized CaO as heterogeneous catalyst: Response surface methodology optimization”, Energy Conversion and Management, Vol. 182, pp. 383-397, (2019).
 U. Rajak, P. Nashine, T. N. Verma, “Assessment of diesel engine performance using spirulina microalgae biodiesel”, Energy, Vol. 166, pp. 1025-1036, (2019).
 U. Rajak, P. Nashine, T. S. Singh, T. N. Verma, “Numerical investigation of performance, combustion and emission characteristics of various biofuels”, Energy Conversion and Management, Vol. 156, pp. 235-252, (2018).
 R. Banerjee, S. Kumar, “Numerical investigation of stratified air / fuel preparation in a GDI engine”, Applied Thermal Engineering, 104, 414–428, (2016).
 B. Mohan, W. Yang, V. Raman, V. Sivasankaralingam, S. K. Chou, “Optimization of biodiesel fueled engine to meet emission standards through varying nozzle opening pressure and static injection timing”, Applied Energy, Vol. 130, pp. 450-457, (2014).
 U. Rajak, T. N. Verma, “A comparative analysis of engine characteristics from various biodiesels: Numerical study”, Energy Conversion and Management, Vol. 180, pp. 904-923, (2019).
 U. Rajak, T. N. Verma, “Spirulina microalgae biodiesel – A novel renewable alternative energy source for compression ignition engine”, Journal of Cleaner Production, Vol. 201, pp. 343-357, (2018).
 M. F. Al-dawody, S. K. Bhatti, “Optimization strategies to reduce the biodiesel NOX effect in diesel engine with experimental verification”, Energy Conversion Management, Vol. 68, pp. 96–104, (2013).
 U. Rajak, T. N. Verma, “Effect of emission from ethylic biodiesel of edible and non-edible vegetable oil, animal fats, waste oil and alcohol in CI engine”, Energy Conversion and Management, 166, 704-718, (2018).
 A. K. Kumar, A. Dhar, J. Gopal, W. Il, K, Choi, C. Sik, S. Park, “Effect of fuel injection pressure and injection timing of Karanja biodiesel blends on fuel spray, engine performance, emissions and combustion characteristics”, Energy Conversion and Management, 91, 302–314, (2015).
 P. Nautiyal, K. A. Subramanian, M. G. Dastidar, “Production and characterization of biodiesel from algae”, Fuel Processing Technology, Vol. 120, pp. 79–88, (2014).
 S. S. Satputaley, D. B. Zodpe, N. V. Deshpande, “Production, combustion and emission study on CI engine using microalgae oil and microalgae oil methyl esters”, Journal of Energy Institute, Vol. 90, No.4, pp. 513-521, (2017).
 O. D. Samuel, M. Gulum, “Mechanical and corrosion properties of brass exposed to waste sunflower oil biodiesel-diesel fuel blends”, Chemical Engineering Communications, Vol. 206, No.5,pp. 1-13, (2018).
O. D. Samuel,M. O. Okwu, “Comparison of Response Surface Methodology (RSM) and Artificial Neural Network (ANN) in modelling of waste coconut oil ethyl esters production”, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Vol. 41, No. 9, pp. 1049-1061, (2018).
 U. Rajak, T. N. Verma, “Influence of combustion and emission characteristics on a compression ignition engine from a different generation of biodiesel”, Engineering Science and Technology, an International Journal, (2019).
 U. Rajak, P. Nashine, T. N. Verma, “Experimental study on spray characteristics of biodiesel-diesel fuels blends in a constant volume chamber”, Journal of Engineering and Applied Sciences, Vol. 5, No. 2, (2018).
 U. Rajak, T. N. Verma, “Influences of engine speed variations on single cylinder direct injection diesels engine”, AkiNik Publications, (2019).
 U. Rajak, T. N. Verma, “Influence of emission characteristic using microalgae biodiesel in diesel engine”, International Research Publication House, (2019).
 U. Rajak, P. Nashine, T. N. Verma, “Performance analysis and exhaust emissions of Aegle methyl ester operated compression ignition engine”, Thermal Science and Engineering Progress, (2019).
 P. Shrivastava, T. N. Verma, “An experimental investigation into engine characteristics fueled with Lal ambari biodiesel and its blends”, Thermal Science and Engineering Progress, (2019).
 T. S. Singh, T. N. Verma, “An assessment study of using Turel Kongreng (river mussels) as a source of heterogeneous catalyst for biofuel production”, Biocatalysis and Agricultural Biotechnology, Vol. 20, pp. 101185, (2019).