WTO notification · TBT
United StatesAdopted, according to its latest notice
Official title
Parts and Accessories Necessary for Safe Operation; Auxiliary Fuel Tanks
The United States issued an addendum on 20 February 2026 to the earlier TBT notification G/TBT/N/USA/2211. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 11 June 2025. The comment period closed on 29 July 2025.
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Published here:
Updated here:
Motor vehicle auxiliary fuel tanks; Vessels and containers mounted on vehicles; Fuel systems; Commercial vehicles
Latest notice (G/TBT/N/USA/2211/Add.1, 20 February 2026)
The latest notice says the measure was adopted or published.
Parts and Accessories Necessary for Safe Operation; Auxiliary Fuel Tanks
The Federal Motor Carrier Safety Administration (FMCSA) amends its fuel tank requirements to add an exception to the prohibition on gravity and syphon feeds for auxiliary pumps with a nominal fuel tank capacity of not more than five gallons mounted on the trailer chassis frame or trailer bed, for purposes other than operation of the motor vehicle, that are operated only when the motor vehicle is not in motion. This revision responds to a petition for rulemaking from the Truck Trailer Manufacturers Association (TTMA). The revision provides relief from a regulatory requirement without impacting safety. Effective 23 March 2026. Petitions for reconsideration of this final rule must be submitted to the FMCSA Administrator no later than 23 March 2026. 91 Federal Register (FR) 7890, 19 February 2026; Title 49 Code of Federal Regulations (CFR) Part 393: This final rule and the notice of proposed rulemaking notified as G/TBT/N/USA/2211 are identified by Docket Number FMCSA-2025-0120. The Docket Folder is available on Regulations.gov at and provides access to primary documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. WTO Members and their stakeholders are asked to submit petitions for reconsideration of this final rule to the USA TBT Enquiry Point by or before 4pm Eastern Time on 23 March 2026. Petitions for reconsideration received by the USA TBT Enquiry Point from WTO Members and their stakeholders will be…
Notice of proposed rulemaking - The Federal Motor Carrier Safety Administration (FMCSA) proposes to add an exception to the prohibition on gravity and syphon feeds for auxiliary pumps with a fuel tank capacity of less than 5 gallons mounted on the trailer chassis frame or trailer bed, for purposes other than operation of the motor vehicle, that are operational only when the motor vehicle is not in motion. This proposal is in response to a petition for rulemaking from the Truck Trailer Manufacturers Association (TTMA). The proposed change would provide relief from a regulatory requirement without impacting safety.
Every notice about this measure published here, newest first. Each one is the notifying member's own text.
AddendumG/TBT/N/USA/2211/Add.1
Parts and Accessories Necessary for Safe Operation; Auxiliary Fuel Tanks
The Federal Motor Carrier Safety Administration (FMCSA) amends its fuel tank requirements to add an exception to the prohibition on gravity and syphon feeds for auxiliary pumps with a nominal fuel tank capacity of not more than five gallons mounted on the trailer chassis frame or trailer bed, for purposes other than operation of the motor vehicle, that are operated only when the motor vehicle is not in motion. This revision responds to a petition for rulemaking from the Truck Trailer Manufacturers Association (TTMA). The revision provides relief from a regulatory requirement without impacting safety. Effective 23 March 2026. Petitions for reconsideration of this final rule must be submitted to the FMCSA Administrator no later than 23 March 2026. 91 Federal Register (FR) 7890, 19 February 2026; Title 49 Code of Federal Regulations (CFR) Part 393: This final rule and the notice of proposed rulemaking notified as G/TBT/N/USA/2211 are identified by Docket Number FMCSA-2025-0120. The Docket Folder is available on Regulations.gov at and provides access to primary documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. WTO Members and their stakeholders are asked to submit petitions for reconsideration of this final rule to the USA TBT Enquiry Point by or before 4pm Eastern Time on 23 March 2026. Petitions for reconsideration received by the USA TBT Enquiry Point from WTO Members and their stakeholders will be…
Regular notificationG/TBT/N/USA/2211
Comment deadline: Closed on 29 July 2025
Parts and Accessories Necessary for Safe Operation; Auxiliary Fuel Tanks
Notice of proposed rulemaking - The Federal Motor Carrier Safety Administration (FMCSA) proposes to add an exception to the prohibition on gravity and syphon feeds for auxiliary pumps with a fuel tank capacity of less than 5 gallons mounted on the trailer chassis frame or trailer bed, for purposes other than operation of the motor vehicle, that are operational only when the motor vehicle is not in motion. This proposal is in response to a petition for rulemaking from the Truck Trailer Manufacturers Association (TTMA). The proposed change would provide relief from a regulatory requirement without impacting safety.
Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.
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