; and (5) any other issues that the Secretary of Transportation and the Secretary identify as issues of joint interest: Provided further , that the Joint Office shall coordinate with Department of Transportation and Department of Energy offices with jurisdiction over maritime transportation decarbonization, including the Department of Transportation Federal Maritime Administration, and the Department of Energy’s Bioenergy Technology Office, Office of Electricity, Grid Deployment Office, Hydrogen and Fuel Cell Technologies Office, Water Power Technologies Office, and Vehicle Technologies Office, as well as with other federal agencies with jurisdiction including the Department of State, the Environmental Protection Agency, the Department of Defense, including the Navy, and the Coast Guard to streamline and coordinate efforts to reduce maritime emissions: Provided further , (1) The Office, in conjunction with the Department of State and the aforementioned agencies, shall provide a report to Congress identifying barriers to decarbonization of maritime vessels, including fueling availability and cost differential, technology research and development needs, vehicle availability, international cooperation, and other barriers not later than 180 days after enactment: (2) The Office, in conjunction with the aforementioned agencies, shall provide a report to Congress with an analysis of economic and financial measures required to address barriers and increase zero emissions technology, infrastructure and clean fuels development, deployment, adoption and end use: Provided further , that the Joint Office shall coordinate with Department of Transportation and Department of Energy offices with jurisdiction over medium and heavy duty transportation decarbonization, including the Department of Transportation Federal Highways Administration, National Highway Traffic Safety Administration, and Federal Motor Carrier Safety Administration, and the Department of Energy’s Bioenergy Technology Office, Hydrogen and Fuel Cell Technologies