Carbon Credit Estimation Tool for Sustainable Pavement Projects

With the support of Maryland Industrial Partnerships Programs, the University of Maryland, in collaboration with Global Resource Recyclers, Inc., developed a life-­cycle analysis methodology to quantify the carbon emissions reductions from the use of recycled materials in pavement construction. The research showed the use of cold recycling techniques can reduce carbon emissions by up to 84% compared to the most conservative estimate of emissions from Hot Mix Asphalt (HMA). When compared to HMA mix designs with less than 30% of reclaimed asphalt pavement, the emission reductions from recycling techniques will be much higher. The analysis results also show a great business opportunity for low-­carbon material producers to label their green products and potentially generate carbon credits from production and construction. Currently, HMA is still the primary material in highway construction and is used in 90% of the 2 million miles paved roadways in the United States (US). The US Environmental Protection Agency (2013) estimated HMA production emits over 50 million tons of CO₂e every year. As an acceptable alternative to HMA, Foam Stabilized Base (FSB) is produced with a cold recycling method but offers roughly equivalent structural performance and better environmental benefits. Even with a 20% market share, FSB producers will be able to achieve an emission reduction ranging from 1.6 to 6.7 million tons of CO₂e every year, the equivalent of Greenhouse Gases (GHG) emissions from 0.3 to 1.3 million cars every year. If these emission reductions can be quantified into carbon credits for trading, FSB producers will open up another multi-­‐million revenue source beyond direct FSB sales.

Language

  • English

Project

  • Status: Active
  • Funding: $70000
  • Contract Numbers:

    DTRT13-G-UTC30

  • Sponsor Organizations:

    Office of the Assistant Secretary for Research and Technology

    University Transportation Centers Program
    Department of Transportation
    Washington, DC  United States  20590

    University of Maryland, College Park

    Department of Civil and Environmental Engineering
    College Park, MD  United States  20742
  • Project Managers:

    Zhang, Lei

  • Performing Organizations:

    University of Maryland, College Park

    Department of Civil and Environmental Engineering
    College Park, MD  United States  20742
  • Principal Investigators:

    Cui, Qingbin

    Zhang, Lei

  • Start Date: 20160101
  • Expected Completion Date: 20161231
  • Actual Completion Date: 20161231

Subject/Index Terms

Filing Info

  • Accession Number: 01590663
  • Record Type: Research project
  • Source Agency: National Transportation Center @ Maryland, Office of the Assistant Secretary for Research and Technology (OST-R), U.S. Department of Transportation (US DOT)
  • Contract Numbers: DTRT13-G-UTC30
  • Files: UTC, RiP
  • Created Date: Feb 19 2016 12:51PM