This bill would direct the Secretary of Transportation to create a federal program that supports research, design, development, demonstration, and deployment of zero-emission vessels. It also covers retrofitting or replacing existing ships and building the charging or fueling infrastructure those vessels would need. The main people affected would be vessel operators, shipbuilders, ports, marine technology developers, and coastal communities that rely on cleaner maritime transport. The bill does not itself set a specific grant amount in the title, but it would establish the federal framework for supporting this transition.
What This Bill Does
- Directs the Secretary of Transportation to establish a program for zero-emission vessels.
- Supports research, design, development, demonstration, and deployment of the technology.
- Allows assistance for retrofitting or replacing existing vessels.
- Includes charging infrastructure or fueling infrastructure for zero-emission vessels.
- Targets maritime transportation and port-related decarbonization.
Who This Bill Affects
If you live near a port, work in maritime shipping, build or maintain vessels, or rely on goods moved by water, this bill could matter by creating a federal program that helps pay for cleaner ship technology and the infrastructure those ships need. That could mean more investment in electric or other zero-emission vessels, plus charging or fueling facilities at ports and along waterways, which may reduce local pollution but could also shift costs and compliance requirements for operators. For most people outside the maritime and port sectors, the effect would be indirect through cleaner air and potentially changes in shipping costs.
See how this bill affects you — sign in for a personalized analysisWho Supports & Opposes This
- Port communities and environmental health advocates They argue cleaner vessels would cut soot, nitrogen oxides, and other pollution near ports and waterways, improving air quality in neighborhoods that often bear the heaviest health burden from freight activity.
- Shipbuilders and marine technology firms They see federal support as a way to reduce the risk of first-of-a-kind projects and create a predictable market for zero-emission propulsion systems, vessel retrofits, and related infrastructure.
- Shipping operators planning long-term fleet upgrades They may support the program because grants, demonstrations, and infrastructure funding can lower the upfront cost of adopting new technology and make it easier to test equipment before large-scale investment.
- Small vessel owners and independent marine operators They may worry the transition could create new compliance pressure or favor larger firms that can afford to participate in demonstration projects and finance retrofits more easily.
- Taxpayer budget hawks They could object to a new federal program on the grounds that it expands public spending on technologies they believe should be financed by the private market or state and local governments.
- Traditional marine fuel suppliers They may view the bill as accelerating a shift away from existing fuel demand, threatening established business models and requiring costly changes to storage and supply networks.
Key Implications
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““establish a program to support the research, design, development, demonstration, and deployment””
This language points to a full innovation pipeline, not just a study or report. It means the federal government would be positioned to help new vessel technologies move from lab work into real-world use.
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““zero-emission vessels””
The program is aimed at ships that operate without direct emissions from onboard propulsion, which could include electric, hydrogen, or other zero-emission systems depending on how the program is designed.
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““retrofit or replacement of existing vessels””
Older ships would not necessarily need to be scrapped immediately; owners could potentially upgrade current vessels or replace them with cleaner models to participate in the transition.
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““charging infrastructure or fueling infrastructure””
The bill recognizes that clean ships need shore-side support. Ports and marine terminals would likely need new equipment, grid connections, or fuel handling systems to make zero-emission operations practical.
Official Source & Bill Facts
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- Bill
- HR 9454
- Congress
- 119th Congress
- Official title
- To direct the Secretary of Transportation to establish a program to support the research, design, development, demonstration, and deployment of zero-emission vessels and retrofit or replacement of existing vessels with zero-emission vessel technologies and charging infrastructure or fueling infrastructure, and for other purposes.
- Policy area
- Environment & Energy
- Latest action
- Referred to the Committee on Science, Space, and Technology, and in addition to the Committee on Transportation and Infrastructure, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned. (June 25, 2026)
- Last updated
- June 26, 2026
Latest Status
June 25, 2026
Referred to the Committee on Science, Space, and Technology, and in addition to the Committee on Transportation and Infrastructure, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
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