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Auto Rule's Safety Claims Draw Skepticism Over Agencies' VMT Estimates

August 08, 2018
Defenders of EPA's current vehicle greenhouse gas program are expressing major doubts about assumptions in the Trump administration's rollback plan that cut estimated vehicle miles traveled (VMT) in both new and old vehicles, a decision that underpins the plan's claimed benefit of reducing accident-related deaths. While the precise impact of the modeling is unclear -- and under heavy scrutiny -- former EPA transportation official Jeff Alson says one possible “error” in the VMT analysis related to old vehicles could be...


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