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↵↵The administration's repeal releases auto manufacturers from federal regulations that were designed to bring about a nearly 50 percent reduction in fleet-wide emissions by 2032 compared with 2026.
The Senate plans to take up the package next week to meet a Jan. 30 deadline, but a potential snowstorm could present a hurdle.
With the current law expiring in 2026, negotiations for the next reauthorization could begin as soon as next year for the new committee leaders.
Last year, NHTSA set standards for model years 2024 through 2026, going from a fleet average of 44.2 mpg in 2024 to 49.1 mpg in 2026.
The most recent regulations known as the Corporate Average Fuel Economy standards were set by the National Highway Traffic Safety Administration last year at 49.1 miles per gallon for model year 2026,
A provision in the 2,702-page bipartisan infrastructure law requires automakers to install anti-drunken driving technology into new automobiles as soon as 2026.
The Trump administration announced March 31 final rules that would increase fuel efficiency standards by 1.5 percent each year through model year 2026, starting with model year 2021.