On October 7, Environment Minister Han Wha-jin attended the "hydrogen fueling station" completion ceremony held in the Seosomun building of the Seoul City hall. At the ceremony, the minister said, "It is a successful result of the government and the Seoul Metropolitan Government's cooperation to ease relevant regulation and licensing processes. I welcome Seoul city to come one step closer to carbon neutrality." After the ceremony, the minister looked around the hydrogen fueling station with the mayor of Seoul.