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  • Research Report
  • Energy Efficiency Policy
  • Jan 2, 2019

    State and Provincial Efforts to Put a Price on Greenhouse Gas Emissions, with Implications for Energy Efficiency

    Efforts to put a price on greenhouse gas emissions are increasing, with approaches including carbon taxes and cap-and-trade programs currently in effect in 15 states and provinces plus one city. Se…

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    Bridging the Equity Gap for Utility Energy Efficiency Programs
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  • Research Report
  • Affordability and Energy Equity
  • Energy Efficiency Policy
  • Homes and Buildings
  • Utilities and the Power Sector
  • Bridging the Equity Gap for Utility Energy Efficiency Programs

    Utility energy efficiency programs have increased investment in low-income households, but significant gaps remain. This report examines spending and savings trends across 48 major U.S. utilities, identifies barriers to expanding low-income programs and highlights policies and program strategies that can improve energy affordability and equitable access to efficiency upgrades.

    Jul 31, 2026

    Efficiency Saves: Cutting Energy Waste Can Save $31,000 per Household
    An Indian couple sitting on a couch looking at energy bills.
  • Research Report
  • Energy Efficiency Policy
  • Homes and Buildings
  • Efficiency Saves: Cutting Energy Waste Can Save $31,000 per Household

    The United States faces interlocking energy challenges: rising home energy bills and gasoline prices; new demand for electricity from data centers and other loads; high greenhouse gas emissions from burning fossil fuels. 

    Now, a new era of energy efficiency progress in our buildings, transportation, and industry is needed to meet this moment. This wide-ranging study finds a massive opportunity.

    Jul 27, 2026

    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

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