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Sets strict, phased limits on the carbon intensity of fuels used by large commercial vessels on voyages involving U.S. ports and requires ports to eliminate greenhouse gases and certain air pollutant emissions from vessels at berth or at anchor by set dates. The EPA must write rules, require annual per‑voyage fuel and emissions reporting, publish public summaries, allow some compliance flexibility (averaging and credits), and may adopt equivalent or stricter international standards.
The rule would deliver substantial local air-quality and climate benefits and create demand for clean-port jobs, but it shifts significant compliance costs onto shippers/importers (and likely consumers) and risks uneven burdens and local environmental tradeoffs during a rapid transition to zero-emission port operations.
Residents near ports and coastal communities will breathe cleaner air as vessel emissions at berth/anchorage are eliminated or sharply reduced by 2035.
All Americans would see lower greenhouse gas emissions if the rule achieves net reductions, contributing to national climate mitigation goals.
Transportation and energy workers would likely gain jobs from increased market demand for zero-emission port technologies, fuels, and shore power infrastructure.
Shipping companies and importers will face higher compliance costs to retrofit vessels or buy new zero-emission equipment, which could raise prices for consumers and taxpayers.
Small business owners and some port operators could incur uneven or disproportionate costs during the transition if full elimination by 2035 is infeasible, straining operations and competitiveness.
Communities near ports could experience localized environmental tradeoffs (for example, increased solid waste or water impacts) from rapid deployment of certain technologies or fuels that must be managed locally.
Introduced July 10, 2025 by Robert Garcia · Last progress July 10, 2025