49 CFR Part 38
Accessibility Specifications for Transportation Vehicles (Extracts).
49 CFR Part 399
Step, Handhold, and Deck Requirements for Commercial Vehicles.
Proposal of July 14, 2026
Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-duty Highway Engines and Amendments to Inducement Provisions for SCR-equipped Diesel Engines.
Request for Comments of August 17, 2026
New Car Assessment Program (NCAP); Removal of Dynamic Rollover Resistance Test and Side Air Bag Out-of-position Testing; Updates to NCAP's 10-year Roadmap.