Kyoto University Professor Hiroyuki Yano, who is leading the research into using wood pulp fibers to make lighter auto parts, shows wood chips (L) and fibers which are chemically treated before they are converted into cellulose nanofibers as they are kneaded into plastics and formed into pellets, at his laboratory in Tokyo, Japan July 25, 2017. Picture taken July 25, 2017. REUTERS/Naomi Tajitsu