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Clean Shipping Act: Zero Emissions for Large Vessels by 2050

This law mandates fuel standards for large commercial vessels, requiring a progressive reduction in fuel carbon intensity until achieving a 100% reduction by 2050 relative to a 2027 baseline. Additionally, the bill requires standards to eliminate greenhouse gas and air pollutant emissions from vessels at anchor or berth by 2035. It also establishes monitoring and public reporting requirements for vessel emissions.
Key points
Mandatory emission cuts: Large commercial ships must reduce their fuel carbon intensity by 100% by 2050 relative to the 2027 baseline.
Zero-emission ports: By 2035, vessels docked or anchored near the US must eliminate greenhouse gas and air pollutant emissions.
Public reporting: Data on vessel carbon intensity and emissions will be collected and published in annual reports.
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Additional Information
Print number: 119_S_2261
Sponsor: Sen. Padilla, Alex [D-CA]
Process start date: 2025-07-10