Un moteur électrique sans terres rares

 https://www.futura-sciences.com/tech/actualites/smartmotion-coup-genie-francais-renault-valeo-preparent-premier-moteur-electrique-terres-rares-109064/?utm_source=nl_quotidienne&nl_optin=optin_sciences&utm_campaign=general&utm_medium=email&md5=d29a1ec9d728e9666b6a8f5543c11fb3&utm_content=www.futura-sciences.com%3anewsletter%3a%3adhtml