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The main objective of this project is to fabricate a model which will help to increase the engine efficiency by air pre heating method and also Oxygen hydrogen added in to the air intake manifold and injects into the cylinders (where HHO mixes) with the fuel, ignites results complete combustion of the Hydrocarbon fuel, lowering emission and increasing fuel efficiency. Internal combustion engine is a device, which converts the thermal heat energy from exhaust and converts it to air preheat. HHO generator is an efficient approach that used to increase the fuel efficiency in a combustion engine by increasing the energy produced per mole of fuel during the ignition process. As a result the amount of unburned fuel in a combustion engine was reduced. The proposed approach is based on an ordinary HHO generator.

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Balakrishnan.G, Arulbabu.M, Baskaran.N, Gopalakrishnan.D, & Kannan.S. (2017). Increasing fuel efficiency by using oxy hydrogen in petrol engines . International Journal of Intellectual Advancements and Research in Engineering Computations, 5(2), 2012–2018. Retrieved from