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Data / Federal rules / 2026-03265

Parts and Accessories Necessary for Safe Operation; Fuel Tank Overfill Restriction

The Federal Motor Carrier Safety Administration published this final rule in the Federal Register on February 19, 2026. It took effect on March 23, 2026.

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What the agency says

FMCSA removes the requirement in the Federal Motor Carrier Safety Regulations (FMCSR) that a liquid fuel tank manufactured on or after January 1, 1973, be designed and constructed so that it cannot be filled, in a normal filling operation, with a quantity of fuel that exceeds 95 percent of the tank's liquid capacity. This final rule responds to a petition for rulemaking from the Commercial Vehicle Safety Alliance (CVSA). The revision removes an unnecessary and outdated requirement from the FMCSRs.

Key facts

Document number
2026-03265
Type
Final rule
Action
Final rule
Agency
Transportation Department; Federal Motor Carrier Safety Administration
Published
February 19, 2026
Takes effect
March 23, 2026
Dates
Effective March 23, 2026.
Docket
Docket No. FMCSA-2025-0117
Regulation ID (RIN)
2126-AC91
Code of Federal Regulations
49 CFR 393
Topics
Highway safety; Motor carriers; Motor vehicle safety
Pages
5

The document on federalregister.gov PDF

Other documents from the Federal Motor Carrier Safety Administration

Everything from the Federal Motor Carrier Safety Administration · Rules on highway safety · Rules on motor carriers · Rules on motor vehicle safety · Published in February 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.