WASHINGTON — Three months after the EPA proposed its strictest-ever limits on tailpipe pollution, NHTSA has outlined fuel economy standards for new light-duty cars and trucks that would require an average fleet fuel economy of 58 mpg by the 2032 model year.
The nation's top auto safety regulator on Friday said its new standards for the 2027-32 model years would require a 2 percent per year improvement in fuel efficiency for cars and a 4 percent per year improvement for light trucks.
NHTSA's proposal also includes a 10 percent improvement per year for commercial pickups and work vans — those with a gross vehicle weight rating of more than 8,500 pounds but less than 14,001 — beginning in the 2030 model year and ramping up through 2035.
In comparison, standards finalized by the agency last year call for fuel efficiency to increase by 8 percent per year for cars and light trucks in the 2024 and 2025 model years and by 10 percent for 2026. The rule requires …