Trump administration cuts mileage rules for cars, light trucks

The Trump administration finalized a rule rolling back fuel economy standards for cars and light trucks from model years 2022 through 2031, reducing the required mileage increases set by the previous Biden administration. This move is projected to lower the average cost of new vehicles by $1,300 but will also slow emissions reduction progress, sparking criticism from environmental groups.

This Wire brief sits within Fusion42's coverage of Micromobility, and 6 sources have reported it between 26 Sep 2026 and 5 Oct 2026.