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Essam M. El-Hannouny

Principal Mechanical Engineer


Dr. El-Hannouny is an experienced Principal Investigator with a demonstrated history of working on engine research and fuel injection systems & sprays. Skilled in Research and Development (R&D) with PhD and Master’s degree focused in Mechanical Engineering from ERC-UW-Madison. 

He Joined Argonne National Laboratory as a post doctoral fellow in 2003 and then became a staff after that. He has been the principal investigator for several diesel engine research programs including locomotive and marine single cylinder engine emissions research, opposed-piston 2-stroke engine, and heavy-duty truck engines. Currently, he is working on decarbonizing the off-road sector.


  • Ph.D. Mechanical Engineering, University of Wisconsin -Madison, ERC, 2002
  • M.S. Mechanical Engineering, University of Wisconsin -Madison, ERC, 1999.
  • B.S. Mechanical Engineering, Helwan University, Cairo, Egypt

Awards & Honors

  • Impact Argonne Award, 2020
  • ANL Pacesetter Award, 2015
  • SAE Forest R. McFarland Award, SAE world congress, 2015