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Reducing Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
Published: 2020-05-15
Total Pages: 399
ISBN-13: 0309496381
DOWNLOAD EBOOK →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.
Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles
Author: National Research Council
Publisher: National Academies Press
Published: 2010-07-30
Total Pages: 251
ISBN-13: 0309159474
DOWNLOAD EBOOK →Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles, such as tractor-trailers, transit buses, and work trucks. The book also recommends approaches that federal agencies could use to regulate these vehicles' fuel consumption. Currently there are no fuel consumption standards for such vehicles, which account for about 26 percent of the transportation fuel used in the U.S. The miles-per-gallon measure used to regulate the fuel economy of passenger cars. is not appropriate for medium- and heavy-duty vehicles, which are designed above all to carry loads efficiently. Instead, any regulation of medium- and heavy-duty vehicles should use a metric that reflects the efficiency with which a vehicle moves goods or passengers, such as gallons per ton-mile, a unit that reflects the amount of fuel a vehicle would use to carry a ton of goods one mile. This is called load-specific fuel consumption (LSFC). The book estimates the improvements that various technologies could achieve over the next decade in seven vehicle types. For example, using advanced diesel engines in tractor-trailers could lower their fuel consumption by up to 20 percent by 2020, and improved aerodynamics could yield an 11 percent reduction. Hybrid powertrains could lower the fuel consumption of vehicles that stop frequently, such as garbage trucks and transit buses, by as much 35 percent in the same time frame.
Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-duty Engines and Vehicles
Reducing the Fuel Consumption and Greenhouse Gas Emissions of Medium- and Heavy-Duty Vehicles, Phase Two
Author: National Research Council
Publisher: National Academies Press
Published: 2014-10-02
Total Pages: 116
ISBN-13: 0309302404
DOWNLOAD EBOOK →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.
Annual Energy Outlook 2016 With Projections to 2040
Author: Energy Dept., Energy Information Administration
Publisher: Government Printing Office
Published: 2017-02-15
Total Pages: 260
ISBN-13: 9780160934827
DOWNLOAD EBOOK →The Annual Energy Outlook 2016 presents long-term projections of energy supply, demand, and prices through 2040. The projections, focused on U.S. energy markets, are based on results from EIA's National Energy Modeling System which enables EIA to make projections under alternative, internally consistent sets of assumptions.
Advances in Turbocharged Racing Engines
Author: Alberto Boretti
Publisher: SAE International
Published: 2019-03-07
Total Pages: 238
ISBN-13: 0768000149
DOWNLOAD EBOOK →Racing continues to provide the preeminent directive for advancing powertrain development for automakers worldwide. Formula 1, World Rally, and World Endurance Championship all provide engineering teams the most demanding and rigorous testing opportunities for the latest engine and technology designs. Turbocharging has seen significant growth in the passenger car market after years of development on racing circuits. Advances in Turbocharged Racing Engines combines ten essential SAE technical papers with introductory content from the editor on turbocharged engine use in F1, WRC, and WEC-recognizing how forced induction in racing has impacted production vehicle powertrains. Topics featured in this book include: Fundamental aspects of design and operation of turbocharged engines Electric turbocharger usage in F1 Turbocharged engine research by Toyota, SwRI and US EPA, Honda, and Caterpillar This book provides a historical and relevant insight into research and development of racing engines. The goal is to provide the latest advancements in turbocharged engines through examples and case studies that will appeal to engineers, executives, instructors, students, and enthusiasts alike.
Automotive Emissions Regulations and Exhaust Aftertreatment Systems
Author: John Kasab
Publisher: SAE International
Published: 2020-08-31
Total Pages: 464
ISBN-13: 0768099552
DOWNLOAD EBOOK →The objective of this book is to present a fundamental development of the science and engineering underlying the design of exhaust aftertreatment systems for automotive internal combustion engines. No pre-requisite knowledge of the field is required: our objective is to acquaint the reader, whom we expect to be new to the field of emissions control, with the underlying principles, control methods, common problems, and fuel effects on catalytic exhaust aftertreatment devices. We do this in hope that they can better understand the previous and current generations of emissions control, and improve upon them. This book is designed for the engineer, researcher, designer, student, or any combination of those, who is concerned with the control of automotive exhaust emissions. It includes discussion of theory and fundamentals applicable to hardware development.
Fundamentals of Medium/Heavy Duty Diesel Engines
Author: Gus Wright
Publisher: Jones & Bartlett Learning
Published: 2021-09-30
Total Pages: 1895
ISBN-13: 1284150917
DOWNLOAD EBOOK →"Fundamentals of Medium/Heavy Duty Diesel Engines, Second Edition offers comprehensive coverage of every ASE task with clarity and precision in a concise format that ensures student comprehension and encourages critical thinking. This edition describes safe and effective diagnostic, repair, and maintenance procedures for today's medium and heavy vehicle diesel engines"--
Confronting Climate Gridlock
Author: Daniel S Cohan
Publisher: Yale University Press
Published: 2022-03-29
Total Pages: 257
ISBN-13: 0300265050
DOWNLOAD EBOOK →An atmospheric scientist explains why global climate change mitigation and energy decarbonization demand American diplomacy, technology, and policy “Daniel Cohan makes a compelling case that the problem of climate change is solvable. Fixing the gridlock on global action requires fixing the gridlock here in the United States of America. Cohan shows how that can be done.”—David Victor, UC San Diego Professor of environmental engineering Daniel Cohan argues that escaping the gravest perils of climate change will first require American diplomacy, technological innovation, and policy to catalyze decarbonization globally. Combining his own expertise along with insights from more than a hundred interviews with diplomats, scholars, and clean-technology pioneers, Cohan identifies flaws in previous efforts to combat climate change. He highlights opportunities for more successful strategies, including international “climate clubs” and accelerated development of clean energy technologies. Grounded in history and emerging scholarship, this book offers a forward-looking vision of solutions to confronting climate gridlock and a clear-eyed recognition of the challenges to enacting them.
