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  • Research Report
  • Transportation
  • Jan 1, 1992

    The Greenish Machine: On the Road to Reduced CO2 Emissions via Alternative Fuels and Higher Fuel Economy

    This study examines the costs, energy savings and CO2 reductions for new automotive technologies, comparing improved efficiency vehicles with alcohol, natural gas and electricity-powered vehicles. …

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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

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