EXPERIMENTAL INVESTIGATION ON EXHAUST EMISSION OF A VARIABLE COMPRESSION RATIO DIESEL ENGINE USING METHYL ESTERS OF PONGAMIA PINNATA OIL BLENDS AND DIESEL - Bharathi, V.Jeeva; V.Rajesh; S.Mayakannan; M.Muthuraj; R.Girimurugan (International Journal of Advance Research and Innovative Ideas In Education, 2015)