Renewable Fuel for Ocean-Going Vessels Act

This bill amends the Clean Air Act to include "fuel for ocean-going vessels" in the definition of fossil fuel, expanding existing regulations to cover ships. It directly affects ocean-going vessels (like cargo ships and tankers) by requiring them to comply with current fossil fuel rules under the Clean Air Act. The key mechanism is a simple definitional change, not new requirements, with the EPA mandated to issue implementing regulations within one year of the bill's enactment. The EPA must also submit a report to Congress detailing implementation and regulations within one year of finalizing those rules. The bill takes effect for the second calendar year after enactment.