DOT tightens lithium battery shipping rules to prevent fires in transit

What it does

This bill directs the Department of Transportation to issue new safety regulations for transporting lithium-ion batteries, requiring them to be shipped at no more than 30% charge unless specially approved, and to work with the UN to improve impact tests for batteries in transport. It also creates two grant programs—one for research into thermal runaway suppression technologies ($10M over 5 years) and another to equip fire departments with tools to handle lithium battery fires—and requires DOT to review and update these rules every five years.

Why we flagged it

The bill's core mechanism is a regulatory mandate to improve lithium-ion battery transport safety through DOT rulemaking, coupled with federal grant programs to fund research and equip emergency responders. This is straightforward public-safety legislation with no hidden private benefit.

What the text implies

• The 30% state-of-charge requirement may increase shipping costs and logistics complexity for battery manufacturers and shippers, potentially raising consumer prices for battery-dependent products (EVs, electronics).
• The grant program prioritizes fire suppression technologies without PFAS (per- and polyfluoroalkyl substances), which may accelerate market shift away from legacy suppression agents and toward newer alternatives, benefiting companies developing PFAS-free technologies.
• Five-year regulatory review cycles create ongoing compliance uncertainty for battery shippers and manufacturers, requiring continuous monitoring of emerging battery chemistries and transport standards.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

The bill strengthens public safety by reducing fire risks from lithium-ion batteries in commercial transport and equips emergency responders with tools and training to handle thermal runaway events. The regulatory requirements and grant programs serve the broad public interest in safer transportation and emergency preparedness, with no apparent private carve-outs or liability shields.

Who stands to gain

• fire suppression technology companies (PFAS-free alternatives)
• fire departments (equipment grants)
• research institutions and testing facilities (grant recipients)
• battery packaging and logistics service providers

Named in the bill

Department of Transportation (DOT), Pipeline and Hazardous Materials Safety Administration (PHMSA), United Nations Subcommittee of Experts on the Transportation of Dangerous Goods, fire departments (volunteer and career), lithium-ion battery manufacturers and shippers

Where it stands

• Mar 12, 2026 — Introduced · Congress.gov: “Introduced in House”
• Mar 12, 2026 — Referred to House Committee on Energy and Commerce and House Committee on Transportation and Infrastructure · Congress.gov: “Referred to the Committee on Transportation and Infrastructure, and in addition to the Committee on Energy…”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.