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Advancing Transportation Sustainability: Carbon Offsetting and Emission Modeling

Alex Bigazzi, a senior civil engineering undergraduate with a focus on transportation, explores innovative approaches to enhance transportation sustainability. His research involves modeling transportation emissions, analyzing temporal data aggregation errors, and proposing a framework for voluntary carbon offsets through CarbonSponsor.org. Bigazzi's thesis, centered on carbon sponsorship for personal travel, aims to improve sustainability performance measures and provide effective methods for carbon output calculations. His work on data aggregation effects and travel time accuracy contributes to better emission estimates and policy assessments.

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Advancing Transportation Sustainability: Carbon Offsetting and Emission Modeling

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  1. Alex Bigazzi • Civil engineering undergraduate, senior (focus on transportation) • Areas of Interest • Transp. system sustainability • Modeling transp. emissions and diffusion • Honor Program – Thesis topic: Carbon Sponsoring for Personal Travel Alex Bigazzi

  2. ‘Greening’ PORTAL • Sustainability performance measures for the transportation data archive at PSU • Emissions: currently MOBILE 6.2, will use MOVES • Fuel Consumption • Cost of Delay • Personal Mobility (PHT, PHD, PMT) Alex Bigazzi

  3. ITS Data Aggregation Effects • Errors from temporal aggregation • Data source: disaggregate speeds from loop data • Event: car passes over loop • Error 1: Time resolution • Shock speed Alex Bigazzi

  4. ITS Data Aggregation Effects • Error 2: Parameter distribution • Speed distribution narrows • Underestimate emissions, delay • Travel time errors from using time mean speed • Underestimate delay • Corrected using harmonic mean • Can be estimated w/ variance Alex Bigazzi

  5. CarbonSponsor.org • Framework for individuals to seek direct, voluntary carbon offsets for personal travel • Targets carbon reductions outside of current monetary-based offset programs • Project objectives: • Establish calculation methods for carbon outputs • Develop effective and simple online interface • Analyze initial feedback from pilot users Alex Bigazzi

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