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  • Research Report
  • Transportation
  • Apr 1, 2007

    Environmental Performance Labels for Vehicles: Context and Findings of Market Research for the U.S. Environmental Protection Agency

    The USEPA worked for several years to develop an environmental rating system for vehicles and a label to display the resulting ratings. This report gives an account of focus group and survey work o…

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    Maximizing State Transportation Investments: How Redirecting Spending from Highway Expansion to Public Transit Supports Economies and Communities
  • Research Report
  • Energy Efficiency Policy
  • Transportation
  • Maximizing State Transportation Investments: How Redirecting Spending from Highway Expansion to Public Transit Supports Economies and Communities

    Costs to deliver transportation projects have risen drastically in recent years. To avoid wasteful spending, each new dollar invested in transportation infrastructur…

    May 13, 2026

    Support the Work That Makes Energy Go Further

    ACEEE’s independent research and advocacy depend on the support of foundations, businesses, and individuals committed to a cleaner, more affordable energy future for all Americans.