Transportation Department, Pipeline and Hazardous Materials Safety Administration
This final rule modernizes the Materials of Trade (MOT) exception in the Hazardous Materials Regulations (HMR) by increasing the maximum allowable quantities of lithium batteries that can be transported as MOTs. This increase removes an undue regulatory burden which constrains the ability of construction, landscaping, mowing, tree service, food service, and entertainment companies to perform their trade.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Pipeline and Hazardous Materials Safety Administration 49 CFR Part 173 [Docket No. PHMSA-2025-0091 (HM-268C)] RIN 2137-AG05 AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of Transportation (DOT). ACTION: Final rule. SUMMARY: This final rule modernizes the Materials of Trade (MOT) exception in the Hazardous Materials Regulations (HMR) by increasing the maximum allowable quantities of lithium batteries that can be transported as MOTs. This increase removes an undue regulatory burden which constrains the ability of construction, landscaping, mowing, tree service, food service, and entertainment companies to perform their trade. DATES: This final rule is effective September 3, 2026. FOR FURTHER INFORMATION CONTACT: Arthur Pollack, Standards and Rulemaking Division, Pipeline and Hazardous Materials Safety Administration (PHMSA), 1200 New Jersey Avenue SE, Washington, DC 20590-0001, 202-366-8553, arthur.pollack@dot.gov . I. PHMSA Action A. What action is PHMSA taking in this final rule? This final rule removes undue regulatory burdens by increasing the maximum allowable quantities of lithium batteries that can be transported as MOTs. This allowance applies to domestic companies in sectors such as construction, landscaping, mowing, tree service, food service, and entertainment—enabling them to carry the power sources required to perform their trade safely and more efficiently. B. Does this action apply to me? Eff…
Other Federal Register documents from the same docket.
Citation: 91 FR 49345
