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Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
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  • Laws & Agreements
    • Programmatic Agreements Library (PAL)
    • Case Law Updates on the Environment (CLUE)
    • National Environmental Policy Act (NEPA)
    • NEPA Assignment
  • State of the Practice
    • Case Studies
    • Communities of Practice
    • Practitioner Interviews
  • Education
    • Environmental Topics
      • Active Transportation
      • Air Quality
      • Climate Change
      • Environmental Justice
      • Invasive Species/Vegetation
      • Stormwater
      • Sustainability
      • Traffic Noise
      • Waste Management/Recycling
      • Water Quality/Wetlands
      • Wildlife and Ecosystems
    • Practical Applications
      • Context Sensitive Solutions
      • Emerging Technologies
      • Environmental Management Systems
      • Geographic Information Systems
      • NEPA Process
      • Planning & Environment Linkages
      • Project Delivery
      • Protecting Cultural Resources
      • Public Involvement
      • Transportation Policy
      • Using the Practitioner’s Handbooks
  • News
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    • Past Events
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    • Practitioner’s Handbooks
    • AASHTO Publications
    • AASHTO Standing Committees
    • Federal & State Agencies
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    • Research
      • NCHRP 25-25
      • TERI Database
      • TRB Committees

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  2. Research Idea (TERI)

Cap and Trade and Transportation Sector Specific Policies

By ahardingMay 7, 2021Leave a comment

Problem How would pursuing transportation sector specific policies in conjunction with a cap and trade system change the price of allowances, alter the share of emissions reductions from transportation, and…

Induced Demand from Operational Efficiency, and the Impact on GHG Emissions (Part 1 — Synthesis)

By ahardingMay 7, 2021Leave a comment

Problem Induced demand – also referred to as latent demand – is the phenomenon that after supply increases, more of a good is consumed. In economic terms, the demand for…

Improved Operational Efficiency and the Impact on Greenhouse Gas Emissions

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (May 2011): FHWA has a project underway that is addressing these issues. (John Davies is FHWA contract point.) Problem One of the approaches for reducing transportation-related greenhouse…

The Effects of Various Aspects of Climate Change on Transportation Infrastructure

By ahardingMay 7, 2021Leave a comment

Problem It is anticipated that future changes in climate will bring with it rising temperatures, increased precipitation events, permafrost, increasing sea levels, etc. Transportation infrastructure is likely to be affected adversely…

Identify and Develop Climate Change Modeling Outputs and Climate Scenarios to Support Transportation Agencies in Assessing Climate Risks and Adaptation Strategies

By ahardingMay 7, 2021Leave a comment

Problem States and metropolitan planning organizations (MPOs) are developing and evaluating transportation plans and programs on an ongoing basis. There is increasing awareness that future climate conditions may affect the resilience…

Develop Climate Change Indicators/Model Outputs to Mitigate Greenhouse Gas Emissions from Transportation

By ahardingMay 7, 2021Leave a comment

Problem States and metropolitan planning organizations (MPOs) are developing and evaluating transportation plans and programs on an ongoing basis. At the same time, many of them are also developing climate action…

Assessment of Potential Emissions Reductions from Linear Motor Systems

By ahardingMay 7, 2021Leave a comment

Problem Current surface transportation systems depend on century-old internal-combustion technology that produces millions of tons of GHG’s and other emissions annually. Highway vehicles produce emissions while idling in traffic and in…

Assessing the Impact of Leakage on the Effectiveness of a Low Carbon Fuel Standard

By ahardingMay 7, 2021Leave a comment

Problem Statement A low carbon fuel standard (LCFS) sets a target to reduce the greenhouse gas (GHG) intensity of transportation fuels. Fuel providers must reduce the GHG intensity of their…

Analyzing Infrastructure and Supply Chain Requirements to Support the Transition to High Efficiency/Low GHG Emitting Light-Duty Vehicles

By ahardingMay 7, 2021Leave a comment

Problem Statement An ever-growing interest in the promise of high efficiency/low greenhouse gas-emittingvehicles has led to a variety of efforts to accelerate their commercial introduction. All the major original equipment…

Assessing the Limits of Advanced Biofuel Supply on Transportation

By ahardingMay 7, 2021Leave a comment

Problem Statement Advanced (2nd and 3rd generation) biofuels include a range of renewable liquid or gaseous fuels produced from non-food sources such as woody grasses, agricultural residues and organic waste.…

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The Center for Environmental Excellence by the American Association of State Highway and Transportation Officials (AASHTO) has been developed in cooperation with the Federal Highway Administration to promote environmental stewardship and to encourage innovative ways to streamline the transportation delivery process.

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