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February 16, 2026
Federal Retreat on Transportation Decarbonization Policies Shifts Momentum to States
As federal policies shift, state actions are gaining prominence, from strengthening clean fuel standards to expanding electrification programs.
Federal rollbacks and state initiatives are reshaping the policy landscape for transportation decarbonization in the U.S. With federal vehicle emission standards repealed and…Read the full report
Key Takeaways
- EPA has revoked the 2009 endangerment finding that underpinned the agency's authority to regulate GHG emissions and eliminated federal GHG emission standards for motor vehicles and engines.
- The move follows a proposal to roll back federal fuel economy standards, lowering required fleetwide fuel efficiency to 34.5 mpg by 2031, down from 50 mpg.
- States continue to pursue clean transportation initiatives, from New Mexico’s clean transportation fuel standard to Washington’s incentive program for zero-emission commercial vehicles.
