clean vehicles
Why do Governments Around the World Use Supply-Side Regulations to Boost Clean Transport?
New CLEE report explores the benefits these policies provide to transition off fossil fuel dependency
While the U.S. may be backsliding on requiring more fuel efficient and zero-emission vehicles, the story globally is largely the opposite. Governments around the world are still seeking to improve air quality and meet greenhouse gas goals and are increasingly moving towards supply-side regulations for their vehicle fleets. These policies include fuel economy standards, emission …
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As Congress votes to undermine California’s sovereignty to set supply-side standards on polluting vehicles, CLEE’s research shows why these policies are so effective
In May 2025, both the U.S. House and Senate passed resolutions to revoke California’s Clean Air Act waivers, which allow the state to enforce stricter vehicle emissions rules than federal standards (see Ann Carlson’s post on this issue). If signed by the President—and if successful in the face of court challenges to their dubious legality—these …
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