CAFE Fuel Economy Standards (NHTSA)
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-10-22 — 21st Century Vehicle Choice Act: cross-connection with 21st-century-vehicle-choice-act: Bill’s framing around vehicle choice intersects with NHTSA CAFE standards that constrain the available fleet mix. (novelty: 2)
- 2026-09-30 — The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks: NHTSA issued the SAFE Vehicles Rule III (final rule) rewriting CAFE standards for passenger cars and light trucks for model years 2022–2031 and revising vehicle classification for compliance, which the agency frames as reversing prior CAFE rules it says distorted vehicle design. (novelty: 4)
Open questions
Related
Contributing findings
The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks
30-sep-2026
novelty 4
per-area 4
introduces