再生燃料

renewable fuel

again; once more; re- / second; another / then (after sth, and not until then) / no matter how ... (followed by an adjective or verb, and then (usually) 也[ye3] or 都[dou1] for emphasis)

to be reborn / to regenerate / to be a second so-and-so (famous dead person) / recycling / regeneration

to be born / to give birth / life / to grow / raw / uncooked / student

to burn / to ignite / to light / fig. to spark off (hopes) / to start (debate) / to raise (hopes)

fuel

material / stuff / grain / feed / to expect / to anticipate / to guess