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Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Dept. of Transportation and Related Agencies Appropriations
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 2018
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Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Dept. of Transportation and Related Agencies Appropriations
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 2018
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Author:
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages :
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309072514
Category : Science
Languages : en
Pages : 56
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Book Description
As national priorities have been focused both on reducing fuel consumption and improving air quality, attention has increased on reducing emissions from many types of vehicles, including light-duty, medium-duty, and heavy-duty diesel-powered vehicles. Meeting the recently promulgated (and proposed) emission standards and simultaneously increasing fuel economy will pose especially difficult challenges for diesel-powered vehicles and will require the development of new emission-reduction technologies. In response to a request from the director of OHVT, the National Research Council formed the Committee on Review of DOE's Office of Heavy Vehicle Technologies to conduct a broad, independent review of its research and development (R&D) activities.
Author:
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages : 64
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309149827
Category : Science
Languages : en
Pages : 250
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Book Description
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.
Author: United States. Congress. House. Committee on Science and Technology (2007)
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages : 88
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Book Description
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 2172
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Book Description
Author: U.s. Department of Transportation
Publisher: CreateSpace
ISBN: 9781499702767
Category : Transportation
Languages : en
Pages : 60
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Book Description
This plan addresses Department of Transportation research and development activities that support improvements in the environmental characteristics and energy efficiency of medium-and heavy duty vehicles and, by increasing the long-term capability of domestic companies to produce clean and efficient vehicles, also foster future economic growth.
Author: Mehdi Rahmani-Andebili
Publisher: Springer Nature
ISBN: 3031359119
Category :
Languages : en
Pages : 145
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Book Description
Author: Federal Highway Administration (U S )
Publisher: Government Printing Office
ISBN: 9780160937064
Category : Business & Economics
Languages : en
Pages : 544
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Book Description
This publication is intended to provide decision makers with an objective appraisal of the physical conditions, operational performance, and financing mechanisms of highways, bridges, and transit systems based on both their current state and their projected future state under a set of alternative future investment scenarios.
