Salah KHARDI (PhD HDR), 59 years old, physicist by education, is a Research Director at INSA Lyon, France's leading engineering school, and at Gustave Eiffel University (France). He was successively Head of the “Energy and Air Pollution” and “Pollution and Innovations” teams. His interests lie in the field of transport (road, rail, air, inland waterway and sea), clean energy, air quality and environmental impacts. He is a lecturer at universities in France and internationally and is responsible for PhD students. He coordinates research and development projects at French and International levels. He has numerous recognized publications and is a guest editor of several international journals serving on their editorial boards. He is an expert for French ministries (Ministry of Higher Education, Research & Innovation / MESRI – Agency for Food, Environmental and Occupational Health & Safety / ANSES - the National Waterways Management Authority / VNF) and for international organizations on subjects related to air pollution caused by transport systems, their impacts and control technologies. He was also chairperson of the Transport and Air Pollution Conference and for numerous working groups. He is a member of the executive board of the Research Ethics Committee of the Lyon University (France).