Sponsor
The bill incentivizes zero‑emission marine fuels to reduce shipping emissions and spur clean‑fuel industry growth, but does so at the cost of federal revenue and via narrow standards that create compliance burdens and near‑term supply constraints for producers and operators.
Commercial vessel operators, ferry services, and the maritime sector gain access to lower‑carbon marine fuel options that meet ASTM or Treasury‑identified standards, supporting reduced ship emissions and cleaner operations.
Fuel producers and sellers of qualifying zero‑emission marine fuels become eligible for clean‑fuel tax treatment for fuel produced after Dec 31, 2025, improving the economics of producing low‑carbon marine fuels.
Development and market demand for alternative marine fuels is encouraged, likely spurring investment and job creation in clean fuel production and supply chains.
Tax code expansion to cover zero‑emission marine fuels will likely reduce federal revenue or require budget offsets, potentially increasing deficits or forcing cuts/offsets in other programs affecting taxpayers.
Fuel producers (including small businesses and utilities) will face compliance and documentation costs to meet Secretary‑identified/ASTM standards and to demonstrate zero‑emissions status; excluding certain feedstocks (e.g., palm fatty acid distillates) further limits options and can raise transition costs.
A narrow definition focused on 'zero‑emissions liquid fuel' could restrict the near‑term supply of qualifying fuels, delaying emissions benefits and complicating fuel procurement for vessel operators and small suppliers.
Based on analysis of 2 sections of legislative text.
Treats certain zero‑emission liquid fuels for commercial vessels/ferries as qualifying transportation fuel under the clean fuel tax rules, excluding petroleum and palm FADs.
Senator · D-HI
Official title: Amend the Internal Revenue Code of 1986 to modify the clean fuel production credit to provide a special rate for sustainable vessel fuel.
Introduced February 24, 2025 by Mazie Hirono · Last progress February 24, 2025
Creates a new tax treatment that lets certain zero‑emission liquid fuels used in commercial vessels and ferries qualify as transportation fuel under the clean fuel rules of the Internal Revenue Code. It defines "sustainable vessel fuel" with limits on feedstocks (no petroleum or palm fatty acid distillates), requires emissions and standards compliance, and applies to fuel produced after December 31, 2025, with a termination provision included.