Emissions And Fuel Economy Test Methods And Procedures
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Emissions And Fuel Economy Test Methods And Procedures For Light Duty Motor Vehicles
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Author : David Milks
language : en
Publisher:
Release Date : 1976
Emissions And Fuel Economy Test Methods And Procedures For Light Duty Motor Vehicles written by David Milks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Automobiles categories.
Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems National Research Council On Emissions And Fuel Economy Test Methods And Procedures
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Author : Richard A. Matula
language : en
Publisher:
Release Date : 1974
Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems National Research Council On Emissions And Fuel Economy Test Methods And Procedures written by Richard A. Matula and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Automobiles categories.
Emissions And Fuel Economy Test Methods And Procedures
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Author : Richard A. Matula
language : en
Publisher:
Release Date : 1974
Emissions And Fuel Economy Test Methods And Procedures written by Richard A. Matula and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Automobiles categories.
Emissions And Fuel Economy Test Methods And Procedures Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems September 1974
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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 1974
Emissions And Fuel Economy Test Methods And Procedures Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems September 1974 written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems National Research Council On Emissions And Fuel Economy Test Methods And Procedures
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Author : Richard A. Matula
language : en
Publisher:
Release Date : 1974
Consultant Report To The Committee On Motor Vehicle Emissions Commission On Sociotechnical Systems National Research Council On Emissions And Fuel Economy Test Methods And Procedures written by Richard A. Matula and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Automobiles categories.
Recommended Practice For Measuring The Exhaust Emissions And Fuel Economy Of Hybrid Electric Vehicles Including Plug In Hybrid Vehicles
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Author : Light Duty Vehicle Performance and Economy Measure Committee
language : en
Publisher:
Release Date : 2010
Recommended Practice For Measuring The Exhaust Emissions And Fuel Economy Of Hybrid Electric Vehicles Including Plug In Hybrid Vehicles written by Light Duty Vehicle Performance and Economy Measure Committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
This Society of Automotive Engineers (SAE) Recommended Practice establishes uniform chassis dynamometer test procedures for hybrid-electric vehicles (HEVs) that are designed to be driven on public roads. The procedure provides instructions for measuring and calculating the exhaust emissions and fuel economy of HEVs driven on the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), as well as the exhaust emissions of HEVs driven on the US06 Driving Schedule (US06) and the SC03 Driving Schedule (SC03). However, the procedures are structured so that other driving schedules may be substituted, provided that the corresponding preparatory procedures, test lengths, and weighting factors are modified accordingly.Furthermore, this document does not specify which emissions constituents to measure (e.g., HC, CO, NOx, CO2); instead, that decision will depend on the objectives of the tester. The emissions calculations for plug-in hybrid-electric vehicle (PHEV) operation are provided as inventory results, weighted in the same manner as fuel and electrical energy consumption. Decisions for on-board versus off-board emissions, relative benefits of emissions-free driving, and how best to weight a "cold-start" cycle in charge-depleting (CD) mode must first be made before a certification methodology can be determined. Thus, calculations or test methodology intended to certify a PHEV for compliance of emissions standards is beyond the scope of this document.For purposes of this test procedure, an HEV is defined as a road vehicle that can draw propulsion energy from both of the following sources of stored energy: (1) a consumable fuel and (2) a rechargeable energy storage system (RESS) that is recharged by the on-board hybrid propulsion system, an external electric energy source, or both. Consumable fuels that are covered by this document are limited to petroleum-based liquid fuels (e.g., gasoline and Diesel fuel), alcohol-based liquid fuels (e.g., methanol and ethanol), and hydrocarbon-based gaseous fuels (e.g., compressed natural gas). The RESSs that are covered by this document include batteries, capacitors, and electromechanical flywheels. Procedures are included to test CD operating modes of HEVs designed to be routinely charged off-board, and calculations are provided that combine the CD and charge-sustaining (CS) behavior according to in-use driving statistics.The HEVs shall have an RESS with a nominal energy >2% of the fuel consumption energy of a particular test cycle to qualify to be tested with the procedures contained in this document.Single-roll, electric dynamometer test procedures are specified to minimize the test-to-test variations inherent in track testing and to conform to standard industry practice for exhaust emissions and fuel economy measurements.This document does not include test procedures for recharge-dependent (RD) operating modes or vehicles (see 3.1.2 for the definition).This document does not address the methods or equations necessary to calculate the adjusted U.S. Environmental Protection Agency (EPA) label miles per gallon (MPG) (sometimes referred to "EPA 5-Cycle" calculations). Hybrid-electric vehicle (HEV) technology has progressed significantly since the original publication of SAE standard J1711. The HEV has been in production for over a decade and parts of the original procedure have successfully addressed charge-sustaining HEVs. However, at the time of this revision, plug-in hybrid technology has experienced rapid development. As such, the procedures to address this technology needed to be revisited and modified to accommodate the operational possibilities demonstrated by the diverse set of working prototypes and simulated vehicles in the literature. Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy.
Recommended Practice For Measuring The Exhaust Emissions And Fuel Economy Of Hybrid Electric Vehicles
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Author : Light Duty Vehicle Performance and Economy Measure Committee
language : en
Publisher:
Release Date : 1999
Recommended Practice For Measuring The Exhaust Emissions And Fuel Economy Of Hybrid Electric Vehicles written by Light Duty Vehicle Performance and Economy Measure Committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
This Society of Automotive Engineers (SAE) Recommended Practice establishes uniform chassis dynamometer test procedures for hybrid-electric vehicles (HEVs) that are designed to be driven on public roads. The procedure provides instructions for measuring and calculating the exhaust emissions and fuel economy of HEVs driven on the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), as well as the exhaust emissions of HEVs driven on the US06 Driving Schedule (US06) and the SC03 Driving Schedule (SC03). However, the procedures are structured so that other driving schedules may be substituted, provided that the corresponding preparatory procedures, test lengths, and weighting factors are modified accordingly.Furthermore, this document does not specify which emissions constituents to measure (e.g., HC, CO, Ndx, CO2); instead, that decision will depend on the objectives of the tester. The emissions calculations for plug-in hybrid-electric vehicle (PHEV) operation are provided as inventory results, weighted in the same manner as fuel and electrical energy consumption. Decisions for on-board versus off-board emissions, relative benefits of emissions-free driving, and how best to weight a "cold-start" cycle in charge-depleting (CD) mode must first be made before a certification methodology can be determined. Thus, calculations or test methodology intended to certify a PHEV for compliance of emissions standards is beyond the scope of this document.For purposes of this test procedure, an HEV is defined as a road vehicle that can draw propulsion energy from both of the following sources of stored energy: (1) a consumable fuel and (2) a rechargeable energy storage system (RESS) that is recharged by the on-board hybrid propulsion system, an external electric energy source, or both. Consumable fuels that are covered by this document are limited to petroleum-based liquid fuels (e.g., gasoline and Diesel fuel), alcohol-based liquid fuels (e.g., methanol and ethanol), and hydrocarbon-based gaseous fuels (e.g., compressed natural gas). The RESSs that are covered by this document include batteries, capacitors, and electromechanical flywheels. Procedures are included to test CD operating modes of HEVs designed to be routinely charged off-board, and calculations are provided that combine the CD and charge-sustaining (CS) behavior according to in-use driving statistics.The HEVs shall have an RESS with a nominal energy >2% of the fuel consumption energy of a particular test cycle to qualify to be tested with the procedures contained in this document.Single-roll, electric dynamometer test procedures are specified to minimize the test-to-test variations inherent in track testing and to conform to standard industry practice for exhaust emissions and fuel economy measurements.This document does not include test procedures for recharge-dependent (RD) operating modes or vehicles (see 3.1.2 for the definition).This document does not address the methods or equations necessary to calculate the adjusted U.S. Environmental Protection Agency (EPA) label miles per gallon (MPG) (sometimes referred to "EPA 5-Cycle" calculations).
Review Of Procedures For Determining Corporate Average Fuel Economy Volume Ii Technical Report Final Report
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Author : F. T. Rabe
language : en
Publisher:
Release Date : 1979
Review Of Procedures For Determining Corporate Average Fuel Economy Volume Ii Technical Report Final Report written by F. T. Rabe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Reducing The Fuel Consumption And Greenhouse Gas Emissions Of Medium And Heavy Duty Vehicles Phase Two
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2014-10-02
Reducing The Fuel Consumption And Greenhouse Gas Emissions Of Medium And Heavy Duty Vehicles Phase Two written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-02 with Science categories.
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. Reducing the Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two 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. This report comprises the first periodic, five-year follow-on to the 2010 report. Reducing the Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two reviews NHTSA fuel consumption regulations and considers the technological, market and regulatory factors that may be of relevance to a revised and updated regulatory regime taking effect for model years 2019-2022. The report analyzes and provides options for improvements to the certification and compliance procedures for medium- and heavy-duty vehicles; reviews an updated analysis of the makeup and characterization of the medium- and heavy-duty truck fleet; examines the barriers to and the potential applications of natural gas in class 2b through class 8 vehicles; and addresses uncertainties and performs sensitivity analyses for the fuel consumption and cost/benefit estimates.
Reduced Emissions And Fuel Consumption In Automobile Engines
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Author : Fred Schäfer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Reduced Emissions And Fuel Consumption In Automobile Engines written by Fred Schäfer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
Over the last several years, there has been much discussion on the interrelation of CO2 emissions with the global warming phenomenon. This in turn has increased pressure to develop and produce more fuel efficient engines and vehicles. This is the central topic of this book. It covers the underlying processes which cause pollutant emissions and the possibilities of reducing them, as well as the fuel consumption of gasoline and diesel engines, including direct injection diesel engines. As well as the engine-related causes of pollution, which is found in the raw exhaust, there is also a description of systems and methods for exhaust post treatment. The significant influence of fuels and lubricants (both conventional and alternative fuels) on emission behavior is also covered. In addition to the conventional gasoline and diesel engines, lean-burn and direct injection gasoline engines and two-stroke gasoline and diesel engines are included. The potential for reducing fuel consumption and pollution is described as well as the related reduction of CO2 emissions. Finally, a detailed summary of the most important laws and regulations pertaining to pollutant emissions and consumption limits is presented. This book is intended for practising engineers involved in research and applied sciences as well as for interested engineering students.