City-to-city collaboration program for creating a zero-carbon society (promoting of carbon-free society and co-benefits through the implementation of EV vehicles in the state of Koror, Republic of Palau) <Kitakyushu City-Koror state collaboration project> : survey report FY2021
City-to-city collaboration program for creating a zero-carbon society (promoting of carbon-free society and co-benefits through the implementation of EV vehicles in the state of Koror, Republic of Palau) <Kitakyushu City-Koror state collaboration project> : survey report. FY2021