DEAL (Durability enhancement of fuel cell electric vehicles by exploring multi-level learning based control ) is a four-year project funded by French National Agency for Research (ANR). DEAL is in the ANR funding category « Jeunes Chercheuses et Jeunes Chercheurs (JCJC) » dedicated to young researchers’ early-career development. The project is coordinated by Zhongliang LI from Aix-Marseille University, LIS laboratory. The project is carried out with the collaboration of two CNRS labs, LIS and FEMTO-ST. The project will be started in April 2021.