The efficiency of the green engine is high when compared to the contemporary engines and also the exhaust emissions are near zero. Green engine is a 6 phase engine which has a very low exhaust emission, high efficiency, low vibrations etc. The significance of the engine lies in the efficiency when the present world condition s of limited resources of energy are considered. Green engine is the internal combustion engine with modifications in its parts and design.The green engine is one of the

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... t interesting discoveries of the new millennium.The Green engine"s prototypes have been recently developed, and also because of the unique design, limitations have not been determined to any extent but even in the face of limitations if any, the Green engines promise to serve the purpose to a large extent.