P. Singh, V. Goel, S.R. Chauhan and N. Kumar, A review on methodology for complete elimination of diesel from CI engines using mixed feedstock, Renewable and Sustainable Energy Reviews (Elsevier), 2016;57:1110-25

P. Singh, V. Goel and S.R. Chauhan, Carbonyl and aromatic hydrocarbon emissions from diesel engine exhaust using different feedstock: A review, Renewable and Sustainable Energy Reviews (Elsevier), 2016;63:269–291

P. Singh, V. Goel and S.R. Chauhan, Feasibility of a new non-edible feedstock in diesel engine: Investigation of performance, emission and combustion characteristics. J. of Mechanical Science and Technology (Springer), 2017;31(4):1979-86 

P. Singh, V. Goel and S.R. Chauhan, Influence of temperature on tribological performance of dual biofuel. Fuel (Elsevier), 2017;207:680-689 

V. Goel, P. Singh, S. K. Tiwari, R. Singh and N. Kumar, Modification in combustion chamber geometry of CI engines for suitability of Biodiesel: A Review, Renewable and Sustainable Energy Reviews (Elsevier), 2017;79:1016-33 

P. Singh, V. Goel and S.R. Chauhan, Impact of dual biofuel approach on engine oil dilution in CI engines. Fuel (Elsevier), 2017;207:751-762 

V. Goel, N. Kumar and P. Singh, Impact of modified parameters on diesel engine characteristics using biodiesel: A review. Renewable and Sustainable Energy Reviews (Elsevier), 2018;82(3):2716-2729 

P. Singh, V. Goel and S.R. Chauhan, Effects of dual biofuel approach for total elimination of diesel on injection system by reciprocatory frequency monitor, Proceedings of the Institution of Mechanical Engineers, Part J: J. of Engineering Tribology (SAGE), 2018;232 (9):1068-1076 

P. Singh, V. Goel and S.R. Chauhan, Effect of Phyllanthus emblica biodiesel based lubricant on cylinder liner and piston ring, J. of Mechanical Science and Technology (Springer), 2018:32(3):1269-1275 

P. Singh, S.R. Chauhan, V. Goel and Ashwani K. Gupta, Impact of binary biofuel blend on lubricating oil degradation in a compression ignition engine. J. of Energy Resources Technology (ASME), 2018;141(3):032203-8 

P. Singh, V. Goel and S.R. Chauhan, Assessment of diesel engine combustion, performance and emission characteristics fueled with dual fuel blends. Renewable Energy (Elsevier), 2018;125:501-510 

R. Kumar, V. Goel, A. Kumar, S. Khurana, P. Singh, S. B. Bopche. Numerical investigation of heat transfer and friction factor in ribbed triangular duct solar air heater using Computational fluid dynamics (CFD), J. of Mechanical Science and Technology (Springer), 2018;32(1);399-404 

P. Singh and V. Goel, Effect of bio-lubricant on wear characteristics of cylinder liner-piston ring and cam-tappet combination in simulated environment. Fuel (Elsevier), 2018;233:677-684 

P. Singh, S.R. Chauhan, V. Goel and A. K. Gupta, Binary biodiesel endurance characteristics in a compression ignition engine. J. of Energy Resources Technology, (ASME) 2018;141(3):032204-11 

N. Déparrois, P. Singh, K.R.G. Burra, A. K. Gupta. Syngas production from co-pyrolysis and co-gasification of polystyrene and paper with CO2. Applied Energy (Elsevier) 2019; 246: 1-10 

P. Singh, S.R. Chauhan, V. Goel and A. K. Gupta, Enhancing diesel engine performance and reducing emissions using binary biodiesel fuel blend. J. of Energy Resources Technology, (ASME) 2019;142(1):012201-11 

P. Singh, N. Déparrois, K.R.G. Burra, S. Bhattacharya, A. K. Gupta, Energy Recovery from Cross-linked Polyethylene Wastes using Pyrolysis and CO2 Assisted Gasification. Applied Energy (Elsevier) 2019;254:113722 

R. Kumar, V. Goel, P. Singh, A. Saxena, A. S. Kashyap and A. Rai, Performance evaluation and optimization of solar assisted air heater with discrete multiple arc shaped ribs. J. of Energy Storage (Elsevier) 2019; 19: 100978 

R. Kumar, A. S. Kashyap, P. Singh, K. Kumar and V. Goel, Innovatively arranged curved ribbed solar assisted air heater: Performance and correlation development for heat and flow characteristics. Journal of Solar Energy Engineering (ASME) 2020, 142(3): 031011 

S. Sharma, P. Singh, B. A. Almohammadi, B. Khandelwal and S. Kumar, Testing of Formulated Fuel with Variable Aromatic Type and Contents in a Compression-Ignition Engine. Fuel Processing Technology (Elsevier) 2020, 208: 106413 

B. A. Almohammadi, P. Singh, S. Sharma, S. Kumar and B. Khandelwal, Impact of Alkylbenzenes Content in Formulated Surrogate Fuels on Characteristics of Compression Ignition Engine. Fuel (Elsevier) 2020, 266: 116981 

S. Sharma, P. Singh, A. Gupta, A. Chowdhury, B. Khandelwal, S. Kumar, Distributed combustion mode in a can-type gas turbine combustor – A numerical and experimental study. Applied Energy (Elsevier) 2020, 277: 115573 

P. Singh, S. Sharma, B. A. Almohammadi, B. Khandelwal and S. Kumar, Applicability of Aromatic Selection towards Newer Formulated Fuels for Regulated and Unregulated Emissions Reduction in CI Engine. Fuel Processing Technology (Elsevier) 2020; 209: 106548 

V. Soni, V. Goel, P. Singh and A. Garg, Abatement of formaldehyde with photocatalytic and catalytic oxidation: a review. Int. J. Chem. React. Eng. (De Gruyter) 2020; 20200003 

L. Zheng, P. Singh, J. Cronly, E. A Ubogu, I. Ahmed, C. Ling, Y. Zhang and B. Khandelwal, Impact of aromatic structures and content in formulated fuel for jet engine applications on particulate matter emissions. J. of Energy Resources Technology  2021;143(12): 122301 (ASME)

S. Sharma, P. Singh, C. Bhardwaj, B. Khandelwal and S. Kumar, Investigations on combustion and emissions characteristics of aromatic fuel blends in a distributed combustor. Energy & Fuels 2021; 35(4), 3150–3163 (ACS Publications)

B. A. Almohammadi, P. Singh, S. Sharma, S. Kumar and B. Khandelwal, Experimental investigation and correlation development for engine emissions with polycyclic aromatic blended formulated fuels. Fuel 2021; 303, 121280 (Elsevier)