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Energy/Greenhouse Gas Emissions

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The Energy and Greenhouse Gas (GHG) Emissions topic describes a range of programs, policies, case studies and other resources related to energy consumption and mitigation of greenhouse gas emissions from the transportation sector. For surface transportation, GHG mitigation strategies include efficient vehicles; low-carbon fuels; VMT reductions; operational efficiency of the system and vehicles; and construction, maintenance, and agency operations.

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Recent Developments

• Report Details Fuel Use, GHG Reductions for Medium- and Heavy-Duty Vehicles
• Report Looks At Future Savings from Low-Carbon Transportation in California
• Group Highlights Use of E-Bikes, E-Scooters to Reduce Emissions
• NGA Issues Paper on Role of States in Electric Vehicle Acceptance
• Groups Release Model Policy Toolkit for Electric Vehicles
• Minnesota DOT Reports on Ways to Decarbonize Transportation
• DOE Issues Assessment of Plug-in Electric Vehicles in the United States
• Protocol for Accounting, Reporting of GHGs Developed
• Report Estimates Benefits of EVs in Uber and Lyft Services
• NOAA Issues Report on the State of the Climate in 2018

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Key Resources

• AASHTO Resilient and Sustainable Transportation Systems Program
• 2014 Air Quality Peer Exchange
• Air Quality Community of Practice
• EPA Transportation and Climate Website
• EPA and National Highway Traffic Safety Administration Vehicle Fuel Efficiency and GHG Regulations and Standards
• FHWA Energy and Emissions Web Page
• NCHRP Report 750: Strategic Issues Facing Transportation: Volume 5: Preparing State Transportation Agencies for an Uncertain Energy Future (5-27-14)
• Second Strategic Highway Research Program (SHRP2) Practitioners Guide to Incorporating Greenhouse Gas Emissions into the Collaborative Decision-Making Process (2013)
• NCHRP 25-25 Task 58, Methods to Address Greenhouse Gas Emissions from Transportation Construction/Maintenance/Operations Activities, Final Report and the Greenhouse Gas Calculator for State Departments of Transportation
• Strategies For Reducing The Impacts of Surface Transportation On Global Climate Change: A Synthesis Of Policy Research And State And Local Mitigation Strategies (NCHRP 20-24(59) 2009)
• Council on Environmental Quality Guidance on Consideration of Greenhouse Gases

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