National Academies Press: OpenBook
« Previous: Appendix G: Acronyms and Abbreviations
Suggested Citation:"Appendix H: Glossary." National Academies of Sciences, Engineering, and Medicine. 2019. Reducing Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two: Final Report. Washington, DC: The National Academies Press. doi: 10.17226/25542.
×
Page 420

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

H Glossary NO x or mono-nitrogen oxides: Refers to nitric oxide (NO) and nitrogen dioxide (NO 2 ), which are compounds formed during combustion. Phase I rule (or Phase I regulations): The regulation jointly promulgated by the U.S. Environmental Protection Agency and the National Highway Traffic Safety Administration on September 15, 2011, and published in the Federal Register (76 FR 5710 et seq.). NRC Phase One Committee: The committee of the National Research Council, formally the Committee to Assess Fuel Economy Technologies for Medium- and Heavy-Duty vehicles, which held its first meeting in December 2008 and in March 2010 delivered its final report, Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-duty Vehicles. NRC Phase One Report: The report issued in 2010 by the National Research Council and published by The National Academies Press, entitled Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles. PM 10 : Refers to particulate matter less than or equal to 10 microns in aerodynamic diameter (coarse particulate matter). PM 2.5 : Refers to particulate matter less than or equal to 2.5 microns in aerodynamic diameter (fine particulate matter). Volume limited: For trucks involved in goods movement, “volume limited” refers to the situation in which the density of the freight is such that cargo volume is maximized without reaching the combined gross vehicle weight limit (typically 80,000 pounds for a Class 8 vehicle). Well-to-wheels: A specification for the envelope or boundary of an analysis defined to include and/or quantify the following: the extraction of the resource (e.g., petroleum or natural gas), the ultimate combustion of the fuel in the vehicle, and all steps in between to include refining, conversion, delivery, and so forth. Weight limited: For trucks involved in goods movement, “weight limited” refers to a situation in which the freight (e.g., beverages) are sufficiently gravimetrically dense that the combined gross vehicle weight limit is reached (typically 80,000 pounds for a Class 8 vehicle). Prepublication Copy – Subject to Further Editorial Correction H-1

Reducing Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two: Final Report Get This Book
×
Buy Paperback | $85.00
MyNAP members save 10% online.
Login or Register to save!
Download Free PDF

Medium- and heavy-duty trucks, motor coaches, and transit buses - collectively, "medium- and heavy-duty vehicles", or MHDVs - are used in every sector of the economy. The fuel consumption and greenhouse gas emissions of MHDVs have become a focus of legislative and regulatory action in the past few years. This study is a follow-on to the National Research Council's 2010 report, Technologies and Approaches to Reducing the Fuel Consumption of Medium-and Heavy-Duty Vehicles. That report provided a series of findings and recommendations on the development of regulations for reducing fuel consumption of MHDVs.

On September 15, 2011, NHTSA and EPA finalized joint Phase I rules to establish a comprehensive Heavy-Duty National Program to reduce greenhouse gas emissions and fuel consumption for on-road medium- and heavy-duty vehicles. As NHTSA and EPA began working on a second round of standards, the National Academies issued another report, Reducing the Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two: First Report, providing recommendations for the Phase II standards. This third and final report focuses on a possible third phase of regulations to be promulgated by these agencies in the next decade.

  1. ×

    Welcome to OpenBook!

    You're looking at OpenBook, NAP.edu's online reading room since 1999. Based on feedback from you, our users, we've made some improvements that make it easier than ever to read thousands of publications on our website.

    Do you want to take a quick tour of the OpenBook's features?

    No Thanks Take a Tour »
  2. ×

    Show this book's table of contents, where you can jump to any chapter by name.

    « Back Next »
  3. ×

    ...or use these buttons to go back to the previous chapter or skip to the next one.

    « Back Next »
  4. ×

    Jump up to the previous page or down to the next one. Also, you can type in a page number and press Enter to go directly to that page in the book.

    « Back Next »
  5. ×

    To search the entire text of this book, type in your search term here and press Enter.

    « Back Next »
  6. ×

    Share a link to this book page on your preferred social network or via email.

    « Back Next »
  7. ×

    View our suggested citation for this chapter.

    « Back Next »
  8. ×

    Ready to take your reading offline? Click here to buy this book in print or download it as a free PDF, if available.

    « Back Next »
Stay Connected!