Heavy Duty Electric Vehicles

Heavy Duty Electric Vehicles
Author: Shashank Arora,Alireza Tashakori Abkenar,Shantha Gamini Jayasinghe,Kari Tammi
Publsiher: Butterworth-Heinemann
Total Pages: 256
Release: 2021-03-08
ISBN 10: 0128181273
ISBN 13: 9780128181270
Language: EN, FR, DE, ES & NL

Heavy Duty Electric Vehicles Book Review:

Heavy-Duty Electric Vehicles: From Concept to Reality presents a step-by-step design and development guide for heavy-duty electric vehicles. It also offers practical insights based on the commercial application of an electric city bus. Heavy-duty electric vehicle design is challenging due to a lack of clear understanding of the government policies, R&D directions and uncertainty around the performance of various subsystems in an electric powertrain. Therefore, this book discusses key technical aspects of motors, power electronics, batteries and vehicle control systems, and outlines the system integration strategies necessary for design and safe operation of electric vehicles in practice. This comprehensive book serves as a guide to engineers and decision makers involved in electric vehicle development programs and assists them in finding the suitable electric powertrain solution for a given heavy-duty vehicle application. Offers an overview of various standards and regulations that guide the electric vehicle design process and a comprehensive discussion on various government policies and incentive schemes propelling the growth of heavy electric vehicle markets across the world; Provides a comparative evaluation of different electric drivetrain concepts and a step-by-step power calculation guide for heavy-duty electric powertrain; Explains material selection and manufacturing methods for next generation batteries; Discusses key elements and design rules for creating a robust high voltage energy storage system, appropriate packaging and its support systems including charging network; Includes a concise description of torque mapping, power management and fault handling strategies for inverter drive and control systems; Features case studies to better understand complex topics like charging system requirements and vehicle control system diagnostics.

Medium and Heavy duty Vehicle R D Strategic Plan

Medium  and Heavy duty Vehicle R D Strategic Plan
Author: United States. Department of Transportation
Publsiher: Unknown
Total Pages: 52
Release: 2000
ISBN 10:
ISBN 13: UCSD:31822029065711
Language: EN, FR, DE, ES & NL

Medium and Heavy duty Vehicle R D Strategic Plan Book Review:

To Promote Advanced Plug In Hybrid Vehicles and Vehicle Components August 3 2007 110 1 House Report 110 307 Part 1

To Promote Advanced Plug In Hybrid Vehicles and Vehicle Components  August 3  2007  110 1 House Report 110 307  Part 1
Author: Anonim
Publsiher: Unknown
Total Pages: 329
Release: 2007
ISBN 10:
ISBN 13: UOM:39015085443987
Language: EN, FR, DE, ES & NL

To Promote Advanced Plug In Hybrid Vehicles and Vehicle Components August 3 2007 110 1 House Report 110 307 Part 1 Book Review:

Hybrid Electric Vehicles

Hybrid Electric Vehicles
Author: Teresa Donateo
Publsiher: BoD – Books on Demand
Total Pages: 160
Release: 2017-06-21
ISBN 10: 9535132970
ISBN 13: 9789535132974
Language: EN, FR, DE, ES & NL

Hybrid Electric Vehicles Book Review:

This book on hybrid electric vehicles brings out six chapters on some of the research activities through the wide range of current issues on hybrid electric vehicles. The first section deals with two interesting applications of HEVs, namely, urban buses and heavy duty working machines. The second one groups papers related to the optimization of the electricity flows in a hybrid electric vehicle, starting from the optimization of recharge in PHEVs through advance storage systems, new motor technologies, and integrated starter-alternator technologies. A comprehensive analysis of the technologies used in HEVs is beyond the aim of the book. However, the content of this volume can be useful to scientists and students to broaden their knowledge of technologies and application of hybrid electric vehicles.

United States Code

United States Code
Author: United States
Publsiher: Unknown
Total Pages: 329
Release: 2006
ISBN 10:
ISBN 13: UCR:31210025662980
Language: EN, FR, DE, ES & NL

United States Code Book Review:

Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy Duty Vehicles

Technologies and Approaches to Reducing the Fuel Consumption of Medium  and Heavy Duty Vehicles
Author: National Research Council,Transportation Research Board,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Committee to Assess Fuel Economy Technologies for Medium- and Heavy-Duty Vehicles
Publsiher: National Academies Press
Total Pages: 250
Release: 2010-08-30
ISBN 10: 0309149827
ISBN 13: 9780309149822
Language: EN, FR, DE, ES & NL

Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy Duty Vehicles Book Review:

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.

Electric Powertrain

Electric Powertrain
Author: John G. Hayes,G. Abas Goodarzi
Publsiher: John Wiley & Sons
Total Pages: 560
Release: 2018-02-05
ISBN 10: 1119063647
ISBN 13: 9781119063643
Language: EN, FR, DE, ES & NL

Electric Powertrain Book Review:

The why, what and how of the electric vehicle powertrain Empowers engineering professionals and students with the knowledge and skills required to engineer electric vehicle powertrain architectures, energy storage systems, power electronics converters and electric drives. The modern electric powertrain is relatively new for the automotive industry, and engineers are challenged with designing affordable, efficient and high-performance electric powertrains as the industry undergoes a technological evolution. Co-authored by two electric vehicle (EV) engineers with decades of experience designing and putting into production all of the powertrain technologies presented, this book provides readers with the hands-on knowledge, skills and expertise they need to rise to that challenge. This four-part practical guide provides a comprehensive review of battery, hybrid and fuel cell EV systems and the associated energy sources, power electronics, machines, and drives. The first part of the book begins with a historical overview of electromobility and the related environmental impacts motivating the development of the electric powertrain. Vehicular requirements for electromechanical propulsion are then presented. Battery electric vehicles (BEV), fuel cell electric vehicles (FCEV), and conventional and hybrid electric vehicles (HEV) are then described, contrasted and compared for vehicle propulsion. The second part of the book features in-depth analysis of the electric powertrain traction machines, with a particular focus on the induction machine and the surface- and interior-permanent magnet ac machines. The brushed dc machine is also considered due to its ease of operation and understanding, and its historical place, especially as the traction machine on NASA’s Mars rovers. The third part of the book features the theory and applications for the propulsion, charging, accessory, and auxiliary power electronics converters. Chapters are presented on isolated and non-isolated dc-dc converters, traction inverters, and battery charging. The fourth part presents the introductory and applied electromagnetism required as a foundation throughout the book. • Introduces and holistically integrates the key EV powertrain technologies. • Provides a comprehensive overview of existing and emerging automotive solutions. • Provides experience-based expertise for vehicular and powertrain system and sub-system level study, design, and optimization. • Presents many examples of powertrain technologies from leading manufacturers. • Discusses the dc traction machines of the Mars rovers, the ultimate EVs from NASA. • Investigates the environmental motivating factors and impacts of electromobility. • Presents a structured university teaching stream from introductory undergraduate to postgraduate. • Includes real-world problems and assignments of use to design engineers, researchers, and students alike. • Features a companion website with numerous references, problems, solutions, and practical assignments. • Includes introductory material throughout the book for the general scientific reader. • Contains essential reading for government regulators and policy makers. Electric Powertrain: Energy Systems, Power Electronics and Drives for Hybrid, Electric and Fuel Cell Vehicles is an important professional resource for practitioners and researchers in the battery, hybrid, and fuel cell EV transportation industry. The book is a structured holistic textbook for the teaching of the fundamental theories and applications of energy sources, power electronics, and electric machines and drives to engineering undergraduate and postgraduate students. Textbook Structure and Suggested Teaching Curriculum This is primarily an engineering textbook covering the automotive powertrain, energy storage and energy conversion, power electronics, and electrical machines. A significant additional focus is placed on the engineering design, the energy for transportation, and the related environmental impacts. This textbook is an educational tool for practicing engineers and others, such as transportation policy planners and regulators. The modern automobile is used as the vehicle upon which to base the theory and applications, which makes the book a useful educational reference for our industry colleagues, from chemists to engineers. This material is also written to be of interest to the general reader, who may have little or no interest in the power electronics and machines. Introductory science, mathematics, and an inquiring mind suffice for some chapters. The general reader can read the introduction to each of the chapters and move to the next as soon as the material gets too advanced for him or her. Part I Vehicles and Energy Sources Chapter 1 Electromobility and the Environment Chapter 2 Vehicle Dynamics Chapter 3 Batteries Chapter 4 Fuel Cells Chapter 5 Conventional and Hybrid Powertrains Part II Electrical Machines Chapter 6 Introduction to Traction Machines Chapter 7 The Brushed DC Machine Chapter 8 Induction Machines Chapter 9 Surface-permanent-magnet AC Machines Chapter 10: Interior-permanent-magnet AC Machines Part III Power Electronics Chapter 11 DC-DC Converters Chapter 12 Isolated DC-DC Converters Chapter 13 Traction Drives and Three-phase Inverters Chapter 14 Battery Charging Chapter 15 Control of the Electric Drive Part IV Basics Chapter 16 Introduction to Electromagnetism, Ferromagnetism, and Electromechanical Energy Conversion The first third of the book (Chapters 1 to 6), plus parts of Chapters 14 and 16, can be taught to the general science or engineering student in the second or third year. It covers the introductory automotive material using basic concepts from mechanical, electrical, environmental, and electrochemical engineering. Chapter 14 on electrical charging and Chapter 16 on electromagnetism can also be used as a general introduction to electrical engineering. The basics of electromagnetism, ferromagnetism and electromechanical energy conversion (Chapter 16) and dc machines (Chapter 7) can be taught to second year (sophomore) engineering students who have completed introductory electrical circuits and physics. The third year (junior) students typically have covered ac circuit analysis, and so they can cover ac machines, such as the induction machine (Chapter 8) and the surface permanent-magnet ac machine (Chapter 9). As the students typically have studied control theory, they can investigate the control of the speed and torque loops of the motor drive (Chapter 15). Power electronics, featuring non-isolated buck and boost converters (Chapter 11), can also be introduced in the third year. The final-year (senior) students can then go on to cover the more advanced technologies of the interior-permanent-magnet ac machine (Chapter 10). Isolated power converters (Chapter 12), such as the full-bridge and resonant converters, inverters (Chapter 13), and power-factor-corrected battery chargers (Chapter 14), are covered in the power electronics section. This material can also be covered at the introductory postgraduate level. Various homework, simulation, and research exercises are presented throughout the textbook. The reader is encouraged to attempt these exercises as part of the learning experience. Instructors are encouraged to contact the author, John Hayes, direct to discuss course content or structure.

Vehicular Electric Power Systems

Vehicular Electric Power Systems
Author: Ali Emadi,Mehrdad Ehsani,John M. Miller
Publsiher: CRC Press
Total Pages: 515
Release: 2003-12-12
ISBN 10: 9780824747510
ISBN 13: 0824747518
Language: EN, FR, DE, ES & NL

Vehicular Electric Power Systems Book Review:

Vehicular Electric Power Systems: Land, Sea, Air, and Space Vehicles acquaints professionals with trends and challenges in the development of more electric vehicles (MEVs) using detailed examples and comprehensive discussions of advanced MEV power system architectures, characteristics, and dynamics. The authors focus on real-world applications and highlight issues related to system stability as well as challenges faced during and after implementation. Probes innovations in the development of more electric vehicles for improved maintenance, support, endurance, safety, and cost-efficiency in automotive, aerospace, and marine vehicle engineering Heralding a new wave of advances in power system technology, Vehicular Electric Power Systems discusses: Different automotive power systems including conventional automobiles, more electric cars, heavy-duty vehicles, and electric and hybrid electric vehicles Electric and hybrid electric propulsion systems and control strategies Aerospace power systems including conventional and advanced aircraft, spacecraft, and the international space station Sea and undersea vehicles The modeling, real-time state estimation, and stability assessment of vehicular power systems Applications of fuel cells in various land, sea, air, and space vehicles Modeling techniques for energy storage devices including batteries, fuel cells, photovoltaic cells, and ultracapacitors Advanced power electronic converters and electric motor drives for vehicular applications Guidelines for the proper design of DC and AC distribution architectures

Alternative Fuels and Advanced Vehicle Technologies for Improved Environmental Performance

Alternative Fuels and Advanced Vehicle Technologies for Improved Environmental Performance
Author: Richard Folkson
Publsiher: Elsevier
Total Pages: 784
Release: 2014-03-19
ISBN 10: 0857097423
ISBN 13: 9780857097422
Language: EN, FR, DE, ES & NL

Alternative Fuels and Advanced Vehicle Technologies for Improved Environmental Performance Book Review:

Most vehicles run on fossil fuels, and this presents a major emissions problem as demand for fuel continues to increase. Alternative Fuels and Advanced Vehicle Technologies gives an overview of key developments in advanced fuels and vehicle technologies to improve the energy efficiency and environmental impact of the automotive sector. Part I considers the role of alternative fuels such as electricity, alcohol, and hydrogen fuel cells, as well as advanced additives and oils, in environmentally sustainable transport. Part II explores methods of revising engine and vehicle design to improve environmental performance and fuel economy. It contains chapters on improvements in design, aerodynamics, combustion, and transmission. Finally, Part III outlines developments in electric and hybrid vehicle technologies, and provides an overview of the benefits and limitations of these vehicles in terms of their environmental impact, safety, cost, and design practicalities. Alternative Fuels and Advanced Vehicle Technologies is a standard reference for professionals, engineers, and researchers in the automotive sector, as well as vehicle manufacturers, fuel system developers, and academics with an interest in this field. Provides a broad-ranging review of recent research into advanced fuels and vehicle technologies that will be instrumental in improving the energy efficiency and environmental impact of the automotive sector Reviews the development of alternative fuels, more efficient engines, and powertrain technologies, as well as hybrid and electric vehicle technologies

Electrification of Heavy Duty Construction Vehicles

Electrification of Heavy Duty Construction Vehicles
Author: Hong Wang,Yanjun Huang,Amir Khajepour,Chuan Hu
Publsiher: Morgan & Claypool Publishers
Total Pages: 106
Release: 2017-12-04
ISBN 10: 1681732408
ISBN 13: 9781681732404
Language: EN, FR, DE, ES & NL

Electrification of Heavy Duty Construction Vehicles Book Review:

The number of heavy-duty construction vehicles is increasing significantly with growing urban development causing poor air quality and higher emissions. The electrification of construction vehicles is a way to mitigate the resulting air pollution and emissions. In this book, we consider tracked bulldozers, as an example, to demonstrate the approach and evaluate the benefits of the electrification of construction vehicles. The book is intended for senior undergraduate students, graduate students, and anyone with an interest in the electrification of heavy vehicles. The book begins with an introduction to electrification of heavy-duty construction vehicles. The second chapter is focused on the terramechanics and interactions between track and blades with soil. The third chapter presents the architecture and modeling of a series hybrid bulldozer. Finally, the fourth chapter discusses energy management systems for electrified heavy construction vehicles.

Hybrid Electric Vehicle Progress

Hybrid   Electric Vehicle Progress
Author: Anonim
Publsiher: Unknown
Total Pages: 329
Release: 2003
ISBN 10:
ISBN 13: CORNELL:31924090514203
Language: EN, FR, DE, ES & NL

Hybrid Electric Vehicle Progress Book Review:

Overcoming Barriers to Deployment of Plug in Electric Vehicles

Overcoming Barriers to Deployment of Plug in Electric Vehicles
Author: National Research Council,Transportation Research Board,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Committee on Overcoming Barriers to Electric-Vehicle Deployment
Publsiher: National Academies Press
Total Pages: 152
Release: 2015-06-26
ISBN 10: 0309372208
ISBN 13: 9780309372206
Language: EN, FR, DE, ES & NL

Overcoming Barriers to Deployment of Plug in Electric Vehicles Book Review:

In the past few years, interest in plug-in electric vehicles (PEVs) has grown. Advances in battery and other technologies, new federal standards for carbon-dioxide emissions and fuel economy, state zero-emission-vehicle requirements, and the current administration's goal of putting millions of alternative-fuel vehicles on the road have all highlighted PEVs as a transportation alternative. Consumers are also beginning to recognize the advantages of PEVs over conventional vehicles, such as lower operating costs, smoother operation, and better acceleration; the ability to fuel up at home; and zero tailpipe emissions when the vehicle operates solely on its battery. There are, however, barriers to PEV deployment, including the vehicle cost, the short all-electric driving range, the long battery charging time, uncertainties about battery life, the few choices of vehicle models, and the need for a charging infrastructure to support PEVs. What should industry do to improve the performance of PEVs and make them more attractive to consumers? At the request of Congress, Overcoming Barriers to Deployment of Plug-in Electric Vehicles identifies barriers to the introduction of electric vehicles and recommends ways to mitigate these barriers. This report examines the characteristics and capabilities of electric vehicle technologies, such as cost, performance, range, safety, and durability, and assesses how these factors might create barriers to widespread deployment. Overcoming Barriers to Deployment of Plug-in Electric Vehicles provides an overview of the current status of PEVs and makes recommendations to spur the industry and increase the attractiveness of this promising technology for consumers. Through consideration of consumer behaviors, tax incentives, business models, incentive programs, and infrastructure needs, this book studies the state of the industry and makes recommendations to further its development and acceptance.

Electric Vehicle Progress

Electric Vehicle Progress
Author: Anonim
Publsiher: Unknown
Total Pages: 329
Release: 2000
ISBN 10:
ISBN 13: CORNELL:31924077886798
Language: EN, FR, DE, ES & NL

Electric Vehicle Progress Book Review:

Electric Vehicle Technology Explained

Electric Vehicle Technology Explained
Author: James Larminie,John Lowry
Publsiher: John Wiley & Sons
Total Pages: 340
Release: 2012-09-17
ISBN 10: 111994273X
ISBN 13: 9781119942733
Language: EN, FR, DE, ES & NL

Electric Vehicle Technology Explained Book Review:

Review of the 21st Century Truck Partnership

Review of the 21st Century Truck Partnership
Author: National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Committee to Review the 21st Century Truck Partnership, Phase 3
Publsiher: National Academies Press
Total Pages: 202
Release: 2015-11-25
ISBN 10: 0309377137
ISBN 13: 9780309377133
Language: EN, FR, DE, ES & NL

Review of the 21st Century Truck Partnership Book Review:

The 21st Century Truck Partnership (21CTP) works to reduce fuel consumption and emissions, increase heavy-duty vehicle safety, and support research, development, and demonstration to initiate commercially viable products and systems. This report is the third in a series of three by the National Academies of Sciences, Engineering, and Medicine that have reviewed the research and development initiatives carried out by the 21CTP. Review of the 21st Century Truck Partnership, Third Report builds on the Phase 1 and 2 reviews and reports, and also comments on changes and progress since the Phase 2 report was issued in 2012.

Vehicle Propulsion Systems

Vehicle Propulsion Systems
Author: Lino Guzzella,Antonio Sciarretta
Publsiher: Springer Science & Business Media
Total Pages: 338
Release: 2007-09-21
ISBN 10: 3540746927
ISBN 13: 9783540746928
Language: EN, FR, DE, ES & NL

Vehicle Propulsion Systems Book Review:

The authors of this text have written a comprehensive introduction to the modeling and optimization problems encountered when designing new propulsion systems for passenger cars. It is intended for persons interested in the analysis and optimization of vehicle propulsion systems. Its focus is on the control-oriented mathematical description of the physical processes and on the model-based optimization of the system structure and of the supervisory control algorithms.

Fuel Cells

Fuel Cells
Author: Detlef Stolten,Remzi C. Samsun,Nancy Garland
Publsiher: John Wiley & Sons
Total Pages: 408
Release: 2016-01-11
ISBN 10: 3527693912
ISBN 13: 9783527693917
Language: EN, FR, DE, ES & NL

Fuel Cells Book Review:

This ready reference is unique in collating in one scientifically precise and comprehensive handbook the widespread data on what is feasible and realistic in modern fuel cell technology. Edited by one of the leading scientists in this exciting area, the short, uniformly written chapters provide economic data for cost considerations and a full overview of demonstration data, covering such topics as fuel cells for transportation, fuel provision, codes and standards. The result is highly reliable facts and figures for engineers, researchers and decision makers working in the field of fuel cells.

Modern Electric Hybrid Electric and Fuel Cell Vehicles Third Edition

Modern Electric  Hybrid Electric  and Fuel Cell Vehicles  Third Edition
Author: Mehrdad Ehsani,Yimin Gao,Stefano Longo,Kambiz Ebrahimi
Publsiher: CRC Press
Total Pages: 546
Release: 2018-02-02
ISBN 10: 0429998236
ISBN 13: 9780429998232
Language: EN, FR, DE, ES & NL

Modern Electric Hybrid Electric and Fuel Cell Vehicles Third Edition Book Review:

The book deals with the fundamentals, theoretical bases, and design methodologies of conventional internal combustion engine (ICE) vehicles, electric vehicles (EVs), hybrid electric vehicles (HEVs), and fuel cell vehicles (FCVs). The design methodology is described in mathematical terms, step-by-step, and the topics are approached from the overall drive train system, not just individual components. Furthermore, in explaining the design methodology of each drive train, design examples are presented with simulation results.

Transitions to Alternative Vehicles and Fuels

Transitions to Alternative Vehicles and Fuels
Author: National Research Council,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Committee on Transitions to Alternative Vehicles and Fuels
Publsiher: National Academies Press
Total Pages: 394
Release: 2013-04-14
ISBN 10: 0309268524
ISBN 13: 9780309268523
Language: EN, FR, DE, ES & NL

Transitions to Alternative Vehicles and Fuels Book Review:

For a century, almost all light-duty vehicles (LDVs) have been powered by internal combustion engines operating on petroleum fuels. Energy security concerns about petroleum imports and the effect of greenhouse gas (GHG) emissions on global climate are driving interest in alternatives. Transitions to Alternative Vehicles and Fuels assesses the potential for reducing petroleum consumption and GHG emissions by 80 percent across the U.S. LDV fleet by 2050, relative to 2005. This report examines the current capability and estimated future performance and costs for each vehicle type and non-petroleum-based fuel technology as options that could significantly contribute to these goals. By analyzing scenarios that combine various fuel and vehicle pathways, the report also identifies barriers to implementation of these technologies and suggests policies to achieve the desired reductions. Several scenarios are promising, but strong, and effective policies such as research and development, subsidies, energy taxes, or regulations will be necessary to overcome barriers, such as cost and consumer choice.

The Hydrogen Economy

The Hydrogen Economy
Author: National Academy of Engineering,National Research Council,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Committee on Alternatives and Strategies for Future Hydrogen Production and Use
Publsiher: National Academies Press
Total Pages: 256
Release: 2004-09-05
ISBN 10: 0309091632
ISBN 13: 9780309091633
Language: EN, FR, DE, ES & NL

The Hydrogen Economy Book Review:

The announcement of a hydrogen fuel initiative in the President’s 2003 State of the Union speech substantially increased interest in the potential for hydrogen to play a major role in the nation’s long-term energy future. Prior to that event, DOE asked the National Research Council to examine key technical issues about the hydrogen economy to assist in the development of its hydrogen R&D program. Included in the assessment were the current state of technology; future cost estimates; CO2 emissions; distribution, storage, and end use considerations; and the DOE RD&D program. The report provides an assessment of hydrogen as a fuel in the nation’s future energy economy and describes a number of important challenges that must be overcome if it is to make a major energy contribution. Topics covered include the hydrogen end-use technologies, transportation, hydrogen production technologies, and transition issues for hydrogen in vehicles.