NAIMA Khatir, born in 1982, is a lecturer at university center of Naama (Algeria). He obtained his Ph.D. in mechanical engineering in 2015. His research works focus on the combustion performances and emissions of internal combustion engine. He worked on Hydrogen fuelled spark ignition engine and has many publications relating to this topic. Currently, NAIMA Khatir continues his research in diesel engines running with alternative fuels. He has many papers published in this area and other papers are in progress.