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Port and Goods Movement Emission Inventories

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Overview

Ports Methodologies Cover

The draft Methodologies for Estimating Port-Related and Goods Movement Mobile Source Emission Inventories (PDF)(214 pp, 2.6 MB, February 2020, EPA-420-D-20-001) describes how to develop port-related and goods movement emissions inventories. This document has specific information on how to develop inventories for criteria pollutants and precursors, climate-related pollutants, mobile source air toxics, and energy consumption. The document describes the latest, state-of-the-science methodologies for preparing an emissions inventory for the following mobile source sectors:

  • Ocean-Going Vessels,
  • Harbor Craft,
  • Recreational Marine,
  • Cargo Handling Equipment,
  • Onroad Vehicles, and
  • Rail

This document is intended to help port authorities and other port operators, state and local governments, Tribes, those doing business at ports (such as terminal operators, tenants, and shipping companies), local communities, and other stakeholders who want to prepare mobile source emission inventories for regulatory, voluntary, and research purposes. The methodologies in this document are broadly applicable to all types of ports, including seaports, Great Lakes ports, and river ports, as well as railyards, freight terminals, intermodal facilities, freight corridors, and other types of facilities that handle and move goods.

Interested parties can send any feedback on this draft to talkaboutports@epa.gov by March 31, 2020. In addition, EPA encourages stakeholders to use this document when developing inventories. EPA will consider any feedback received in a future revision to this document.

Access the draft document here:

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Webinar

EPA will be hosting a public webinar on February 25th, 2020 at 2pm Eastern

Access the Webinar Slides: Webinar: Draft Methodologies for Estimating Port-Related and Goods Movement Mobile Source Emission Inventories (PDF) (52 pp, 2 MB, February 2020)

Public Webinar Topics:

  • Background of the work leading to this update,
  • Approach and scope of the update,
  • Updated methodologies by mobile source sector, and 
  • How to submit feedback on the draft document.

Date: 2:00 pm Eastern on Tuesday, February 25th, 2020.

Join Skype Meeting Conference ID: 5578229 EXIT
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Join by Phone: Call in Number: +1 (202) 991-0477,  English (United States)
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Frequently Asked Questions

  • Why is EPA interested in ports?
    A variety of mobile emission sources operate in port areas such as trucks, locomotives, cargo handling equipment, harbor craft, and ocean-going vessels. These mobile sources can emit significant amounts of air pollution, including fine particulate matter (PM2.5), nitrogen oxides (NOx), air toxics, and carbon dioxide (CO2), which impact human health and the environment. Emissions from these mobile sources disproportionately impact nearby communities often comprised of low income and minority populations. EPA’s Ports Initiative is working in collaboration with the port industry, communities, and all levels of government to advance cleaner technologies and practices at ports.
  • Why did EPA revise this document now?
    This document is responsive to September 2016 recommendations from the Clean Air Act Advisory Committee (CAAAC) on the development and implementation of an EPA-led voluntary initiative to improve port environmental performance and air quality for port communities. The CAAAC recommended, among other things, that EPA develop and assess emissions inventory methodolgies,  and update the information as needed. This update incorporates the methods developed, lessons learned, and practical examples from recent EPA efforts such as the National Port Strategy Assessment and Port Everglades Partnership. It also incorporates updates to EPA’s regulations, models, and existing guidance since the previous document was released in 2009.
  • Why are port-related emissions inventories important?
    A port-related emissions inventory may be developed for a variety of purposes. Regulatory purposes include an inventory developed for inclusion in state implementation plans (SIPs), National Environmental Policy Act (NEPA) analyses, transportation conformity determinations, or general conformity evaluations, among others. An emissions inventory may also be developed for research purposes. Voluntary purposes include evaluating the effectiveness of emission reduction strategies or creating a benchmark to make informed planning decisions. In addition to supporting environmental goals, creating an inventory of emissions can help a port authority or operator prioritize investments. Some of the voluntary strategies that could be adopted have potential co-benefits, such as reducing fuel usage and improving operational efficiencies that may enhance a port’s competitiveness.
  • Does the methodologies in this document apply to only marine ports?
    No, in addition to marine ports, the methodologies in this document are broadly applicable to all types of ports, including seaports, Great Lakes ports, and river ports, as well as railyards, freight terminals, intermodal facilities, freight corridors, and other types of facilities that handle and move goods.

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