WTO notification · TBT
United StatesProposed measure, may since have been adopted
Official title
Resetting NHTSA's Fuel Economy Program: Commercial Medium- and Heavy-Duty On-Highway Vehicles and Work Trucks
The United States notified this proposed TBT measure to the WTO on 1 September 2026.
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Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.
Published here:
Commercial medium- and heavy-duty (MDHD) on-highway vehicles, work trucks, heavy-duty pickup trucks and vans, vocational vehicles, semi-trailers/tractors, and heavy-duty engines; Spark-ignition reciprocating piston engine, of a kind used for vehicles of chapter 87, of a cylinder capacity > 1.000 cm³
The notification sets no comment deadline. To comment, contact your country's WTO TBT enquiry point, quoting the document symbol G/TBT/N/USA/2320; it forwards comments to the United States.
Find your country's enquiry point on WTO ePing (opens in a new tab)Interpretive rule - The National Highway Traffic Safety Administration (NHTSA) is issuing this interpretive rule regarding the scope of its authority to set fuel economy standards for commercial medium- and heavy-duty on-highway vehicles and work trucks. This rule describes NHTSA's authority to set vehicle standards, which does not include the authority to set separate standards for engines. NHTSA will review its existing standards applicable to commercial medium- and heavy-duty on-highway vehicles and work trucks for consistency with this interpretation in a separate rulemaking. Pending the rulemaking process, NHTSA will exercise its enforcement authority with regard to affected standards in accordance with the interpretation set forth in this rule.
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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