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Graciela Lubertino, Ph.D. H-GAC Joe Zietsman, TTI Tara Ramani, TTI

Methodology for Estimating Green House Gas Emissions and Assessing Mitigation Options for Project Level Applications for O-Road Mobile Sources. Graciela Lubertino, Ph.D. H-GAC Joe Zietsman, TTI Tara Ramani, TTI. Trends in Texas GHG Emissions.

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Graciela Lubertino, Ph.D. H-GAC Joe Zietsman, TTI Tara Ramani, TTI

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  1. Methodology for Estimating Green House Gas Emissions and Assessing Mitigation Options for Project Level Applications for O-Road Mobile Sources Graciela Lubertino, Ph.D. H-GAC Joe Zietsman, TTI Tara Ramani, TTI

  2. Trends in Texas GHG Emissions • Texas (if it were a country) would rank seventh in the world for its GHG emissions • Transportation is 30% of total CO2 • VMT increased 10% per year from 1990 to 2000 • VMT increased 10% from 2002 to 2007 for the Houston region • Population growth at about double the rate of the country

  3. Policy Issues • The 2009 EPA endangerment finding – is the most powerful federal policy to date • State level programs in Texas: • TERP • LIRAP • HB 1795 – requires TCEQ to develop an inventory of voluntary actions to reduce CO2 emissions

  4. Policy Issues • Texas municipal-level actions: • City of Houston and City of Austin working on a comprehensive climate action plan • But most municipalities still waiting for state and federal policy makers.

  5. Methodology for Project Level Analysis • An analytical tool in the form of a spreadsheet-based calculator • Combines the emission estimations of each project with the emission reductions from mitigation strategies • Based on user input data

  6. Methodology for Project Level Analysis • Calculate on-road mobile source GHG emissions for baseline year – Build vs. No-Build at completion year for the project. • Calculate on-road mobile source GHG emissions for future years. • List of GHGs control strategies. • Quantifications of CO2 emission reductions associated with the selected mitigation options. • Calculations will involve the use of EPA’s MOVES model for CO2 emissions factors and activity data from the travel demand model.

  7. Projects to Analyze from the Regional Plan • Roadway • Traffic Flow Improvements • Transit • Pedestrian/Bicycle

  8. Selection Criteria for Control Strategies • Cost effectiveness • Potential emission reductions • Applicability

  9. Control Strategies • HOV lanes • TTI and Caltrans studies showed lowest levels of gasoline consumption against the no-build and build-general purpose. • Transit • Ex: expansion transit infrastructure, ridership increased – 10,181 MMtCO2 (by 2012 Miami-FL)

  10. Control Strategies • Mixed Land Use Development or “Livable Centers” • Encourage jobs/housing/commercial proximity and developments along transit corridors – 18 MMtCO2 by 2020, California • Electrification of Vehicle Fleet • PZEV emit half the amount of CO2

  11. Control Strategies • Carbon Sequestration • Trees are a good sink of CO2 • Upto 6 MtCO2e reduction per tree for a 40 year life span • Need to be taken into account how to manage them

  12. Control Strategies • Eco-Driving and Anti-Idling Policies • Outreach program endorsed by 20 states – info about vehicle maintenance and driving habits – 2.2 MMtCO2 by 2025, Michigan • Reduce idling time for heavy duty diesel trucks – 1.4 MMtCO2e by 2020,California

  13. Questions??? Graciela.Lubertino@h-gac.com

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