Trump’s Fuel-Efficiency Rollback Breaks With 50 Years of Precedent
The proposal would undermine California’s ability to regulate toxic air pollution.
Updated on August 2 at 4:02 p.m. ET
The Trump administration proposed a major environmental rollback on Thursday, announcing that—starting in 2020—it will no longer require cars and trucks to become more fuel efficient every year.
Under the new proposal, automakers would only have to produce cars that achieve a real-world average of about 29 miles a gallon from 2021 to 2025. This is a major change: The Obama administration had once required that new cars average about 43 miles a gallon
