KUMAR, Pawan. Innovations in Sustainable Transportation: From Electric Vehicles to Hyperloop. Darpan International Research Analysis, [S. l.], v. 2, n. 1, p. 1–5, 2014. Disponível em: http://dira.shodhsagar.com/index.php/j/article/view/6. Acesso em: 7 jun. 2025.