Citywide Transportation Greenhouse Gas Emissions Inventories

The ability to accurately measure emissions in a city or a region plays an important role in developing climate action plans, as it can inform local officials on the total magnitude of emissions, as well as the contributions of different sectors and transport modes. In addition, transportation emissions inventories play a key role in climate and energy legislation at the state, national and international level in the United States, where draft climate legislation in 2010 required regional transportation emissions reduction plans, which must include inventories at the regional or aggregated level.


Table of Contents

  • Introduction — 1
  • Creating an inventory: methodological issues — 2
  • Data requirements — 7
  • Data collection methods —  8
  • Past and current inventory efforts — 9
  • Integration with climate policy — 15
  • Conclusion — 16

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