This is Queen Street Analytics' weekly digest of regulatory developments, legislative discussions and other government-related news for car manufacturers, parts suppliers, car dealers, rental companies, and importers/exporters in the automotive industry. Once a week, we break down the most important updates in this space in under five minutes.

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Dates: 2026-03-15 to 2026-03-21

📋 In This Week's Newsletter

• 🇺🇸 Federal Government News
• 📜 Legislative Updates
• 📚 What We're Reading This Week

Federal Government News

EPA Final Rule on Polyether Polyols Production NESHAP Issued

The Environmental Protection Agency released a final rule amending the National Emission Standards for Hazardous Air Pollutants (NESHAP) covering polyether polyols (PEPO) production, effective March 18, 2026. The amendments establish new ethylene oxide (EtO)-specific standards under Clean Air Act section 112(d)(6), covering process vents, storage vessels, equipment leaks, heat exchange systems, and wastewater streams. Additional developments include revised monitoring requirements, clarification of technological definitions, new recordkeeping for emission controls, and expanded use of electronic reporting. Compliance dates for existing PEPO facilities are set for March 18, 2029. EPA stated the changes target facilities emitting EtO at levels above 100 pounds per year, and expect significant reductions in hazardous air pollutants. The rule includes provisions for future technology reviews and potential additional monitoring.

Sources: www.federalregister.gov

Commerce Initiates Antidumping Investigation: Truck Bed Covers from China

The Department of Commerce announced the initiation of an antidumping investigation on imports of truck bed covers from the People's Republic of China, applicable from March 17, 2026. The petition, filed by RealTruck, Inc. and associated producers, alleges Chinese truck bed covers are priced below fair value and injuring U.S. manufacturers. The period of investigation covers July 1 to December 31, 2025. The scope includes folding, roll-up, one-piece, and retractable covers, as well as associated hardware, but specifically excludes truck caps and products under the existing aluminum extrusions AD/CVD orders. Commerce is soliciting input on product characteristics and is preparing questionnaires to select mandatory respondents. The U.S. International Trade Commission will determine by late April whether there is a reasonable indication of industry injury.

Sources: www.federalregister.gov

Updated Tire Duty Decisions on Chinese and Indian Imports

On March 17, 2026, the Commerce Department amended final antidumping review results for certain passenger and light truck tires from China, following a Court of International Trade ruling. Shandong Linglong Tyre Co., Ltd. received a revised weighted-average dumping margin of 41.36%, while the China-wide entity rate was set at 87.99%. Separately, on March 19, Commerce finalized the 2023 countervailing duty review for new pneumatic off-the-road tires from India. ATC Tires Private Limited and Balkrishna Industries Ltd. received subsidy rates of 5.96% and 0.57%, respectively, with a rate of 3.97% set for nonselected companies. The Department intends to issue cash deposit instructions and assessment rates to U.S. Customs and Border Protection.

Sources: www.federalregister.gov, www.federalregister.gov

NHTSA Proposes FMVSS Amendment for Automated Driving System Vehicles

The National Highway Traffic Safety Administration issued a proposal on March 16, 2026, to amend FMVSS No. 103 (windshield defrosting/defogging) and FMVSS No. 104 (windshield wiping/washing), exempting vehicles equipped exclusively with automated driving systems lacking manually operated controls. These changes are intended to remove regulatory obligations for systems not required on ADS-only vehicles. The proposed rule also updates standards to align with current SAE practices (J902-2025, J903-2024, J942-1999) and requests comments on implementation, costs, and potential consequences. The agency set a 30-day comment period and a proposed effective date 180 days after final publication.

Sources: www.federalregister.gov

NHTSA Requests Comment on Theft Prevention Labeling Requirements

On March 20, 2026, the National Highway Traffic Safety Administration called for public comments regarding reinstatement of its previously approved information collection for consolidated labeling related to the Federal Motor Vehicle Theft Prevention Standard under 49 CFR parts 541 and 542. Requirements affect manufacturers of passenger vehicles and light-duty trucks, who must mark major parts, submit target area information, and conduct evaluations of high-theft lines. NHTSA estimates 4.5 million vehicles require labeling annually, with a total annual reporting burden of 150,550 hours. The agency seeks feedback on necessity, accuracy, and load of the collection by May 19, 2026.

Sources: www.federalregister.gov

Legislative Updates

Bill to Direct EPA on Engine Exemptions for National Security

H.R. 8001 was introduced to direct the EPA Administrator to revise regulations relating to exemptions for engines and equipment based on national security considerations. The bill was referred to the House Committee on Energy and Commerce.

Sources: www.congress.gov

Legislation Introduced to Ban Nitrous Oxide Consumer Products

H.R. 7945 proposes to ban the sale of nitrous oxide consumer products nationwide. The measure was referred to the House Energy and Commerce Committee for further review.

Sources: www.congress.gov

What We're Reading This Week

• How Canada's embrace of Chinese EVs could scramble the American market: Canadian policy on Chinese EV imports may impact U.S. auto competitiveness and tariff strategies.
• US House transport committee head wants to collect EV fees for highway repairs: A senior House lawmaker proposes EV fees to fund maintenance of U.S. highways.
• US regulator closes defect petition covering over 2 million Tesla vehicles: NHTSA closes a defect petition related to Autopilot in over 2 million U.S. Tesla vehicles.

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