Tarun, Y., et al. “Evaluation of Engine Performance, Emissions, of a Twin Cylinder Diesel Engine Fuelled With Waste Plastic Oil and Diesel Blends With a Fraction of Methanol”. International Journal of Engineering and Technology, vol. 3, no. 2, Apr. 2014, pp. 123-8, https://doi.org/10.14419/ijet.v3i2.2096.