PolicyBrief
H.R. 4117
119th CongressJun 24th 2025
Fuel Emissions Freedom Act
IN COMMITTEE

This Act repeals all federal and state motor vehicle emission and fuel economy standards, prohibiting any government entity from establishing future pollution limits.

Roger Williams
R

Roger Williams

Representative

TX-25

LEGISLATION

Fuel Emissions Freedom Act: Bill Wipes Out All Federal and State Vehicle Emission Standards, Bans Future Rules

The newly introduced Fuel Emissions Freedom Act is straightforward: it completely scraps all existing federal and state rules about how much pollution cars and trucks can emit and how fuel-efficient they must be. Specifically, it repeals Section 202 of the Clean Air Act, which sets federal emission standards, and eliminates the Corporate Average Fuel Economy (CAFE) standards (Sections 32902–32918 of Title 49, U.S. Code). The bill’s core premise, laid out in its findings, is that these regulations create costly uncertainty for manufacturers, driving up prices for consumers, and that removing them will lower costs and boost American manufacturing.

The Great Regulatory Reset: Zero Emissions Standards

This bill doesn't just lighten the regulatory load; it vaporizes it. The most significant move in Section 3 is the total repeal of federal motor vehicle emission standards and the CAFE fuel economy requirements. Think of it this way: for decades, the EPA and NHTSA have set the bar for how clean and how efficient your car needs to be. This bill removes that bar entirely. For the driver, this means future cars and trucks will not be required to meet any specific federal efficiency or emission targets, potentially leading to lower sticker prices on new vehicles, but also to higher fuel costs down the road.

Goodbye, State Control: The Permanent Ban

Historically, states like California have been able to get waivers to set stricter emission standards than the federal baseline, which often pushed the auto industry toward cleaner technology faster. Section 3 and Section 4 of this Act explicitly shut that door. The bill not only nullifies any existing state or local emission standards but also imposes a permanent prohibition: no federal, state, county, or city government can ever create, enforce, or maintain any fuel emission standards for motor vehicles. This is a massive shift, removing the ability of local governments to protect their air quality, especially in areas already struggling with smog or pollution, like major metropolitan centers.

Who Benefits, and Who Pays the Price?

The stated benefit is clear: less red tape for manufacturers, which the bill argues will translate into lower costs for everyone. A car manufacturer would no longer need to invest heavily in complex emission control systems or efficiency improvements, potentially allowing them to build and sell vehicles more cheaply. However, the cost of this "freedom" is likely to be borne elsewhere. With no fuel economy standards, the average fuel efficiency of the national fleet could decrease, meaning more trips to the pump for everyday commuters. For a delivery driver or a small business running a fleet of trucks, this could mean significantly higher operating costs over the life of the vehicle due to lower miles per gallon.

Furthermore, the externalized costs of pollution—the health impacts on the public from dirtier air—are a major concern. Without the Clean Air Act’s Section 202 standards, the air quality improvements gained over the last several decades could stall or even reverse. This is not just an abstract environmental issue; it’s a public health issue. For parents raising kids in urban areas, or for anyone with respiratory issues, the removal of all emission controls could mean a measurable increase in smog and related health problems, a cost that won't show up on a vehicle's price tag but will definitely show up in the doctor’s office.