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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

• Caltrans Issues Draft Guidance on Project-Level GHG Determinations
• NREL Report Shows Increase In Ridehailing Services at Airports
• Coalition Scorecard Ranks States Based on Electric Vehicle Adoption
• NOAA Report Shows Continued Increase in Greenhouse Gases
• GAO Finds Climate Change Funding Has Increased
• Peer Exchange Addresses DOT Renewable Energy Development
• FHWA Withdraws GHG Performance Measure for DOTs, MPOs
• DOE Releases New Versions of Automotive Systems Simulator
• FHWA Highlights State of Alternative Fuels in Freight Industry
• FHWA Summarizes Renewable Energy Peer Exchange in Report

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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 Final Guidance for Greenhouse Gas Emissions and Climate Change Impacts (Aug. 2016)

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