Trump administration rolls back fuel economy standards for automakers: What to know

myclallamcounty.com Sep 29, 2026

Trump administration rolls back fuel economy standards for automakers: What to know

Curated by Shubham · TechCapsules · Sep 29, 2026

AI-summarised brief · reviewed before publication

The Trump administration has rescinded the 2025 fuel‑economy standards that would have required automakers to increase average fuel efficiency to 40.4 miles per gallon by 2025 and 43.5 mpg by 2030. The move follows a lawsuit by the U.S. Chamber of Commerce and other industry groups, arguing that the regulations would raise vehicle costs and harm jobs. The rollback removes the federal mandate, leaving states to set their own standards, and signals a shift toward less stringent environmental oversight for the auto sector.

💡 Why It Matters

· The decision eases pressure on manufacturers to invest in fuel‑efficient technology, potentially slowing progress toward climate goals.
· It also reshapes the regulatory landscape, giving states greater leeway in setting future emissions standards.

Capsules Policies

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Trump Administration Finalizes Rule that Makes Cars Less Fuel Efficient

The Trump administration finalized a rule that rolls back federal Corporate Average Fuel Economy (CAFE) standards, allowing manufacturers to produce less fuel‑efficient vehicles. The decision, announced by President Trump on Truth Social, is expected to raise gasoline costs for consumers, who already face high fuel expenses as transportation accounts for about 17% of household spending. The National Highway Traffic Safety Administration warned that stronger standards could save billions in fuel costs and cut gasoline consumption by tens of billions of gallons. Sierra Club officials condemned the rollback, citing increased pollution and higher costs for families.

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cleantechnica.com · Sep 28

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prnewswire.com · Sep 28

Chemours Supports Automotive Industry’s Ask to Extend Fluorinated Refrigerant Transition for EU…

Chemours announced its support for the automotive industry's request to extend the transition timeline for fluorinated refrigerants in mobile air conditioning under the EU PFAS restriction. The company, along with ACEA, JAMA, MAHLE, and the German Association of the Automotive Industry, argues that a minimum 13‑year period is required for light‑duty electric vehicles and 20 years for other types, citing the absence of a drop‑in replacement for R‑1234yf. Chemours highlighted the 15‑year span of the previous R‑134a to R‑1234yf shift and urged a science‑based approach. The firm remains committed to developing lower‑emission refrigerants through its Opteon™ portfolio and industry collaboration.

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newsable.asianetnews.com · Sep 28

STLA, F, GM Climb Overnight As Trump Clears Fuel Economy Rollback —…

President Donald Trump announced the approval of a rollback of federal fuel‑economy standards, replacing the Biden administration’s target of 50.4 mpg for 2031 models with a projected 34.5 mpg. The change, slated for a final rule on Monday, is promoted as a way to lower vehicle prices—NHTSA estimates an upfront savings of about $930 per car—and to revive U.S. auto manufacturing jobs. Following the announcement, shares of Stellantis rose 1 %, while Ford and General Motors edged up 0.1 % and 0.2 % respectively. Trump framed the move as a “big day for American auto workers and car buyers,” citing requests from manufacturers to increase domestic production in states such as Michigan, Ohio, Indiana and South Carolina. The revised standards would reset in 2022, rise modestly through 2026, and increase more slowly through 2031, prompting mixed market reactions and a sharp decline for many electric‑vehicle makers.

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