On-Device or Remote? On the Energy Efficiency of Fetching LLM-Generated Content. - Vince Nguyen; Vidya Dhopate; Hieu Trung Huynh; Hiba Bouhlal; Anusha Annengala; Gian Luca Scoccia; Matias Martinez; Vincenzo Stoico; Ivano Malavolta (CAIN, 2025)