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Effects Of Heavy Duty Diesel Vehicle Idling Emissions On Ambient Air Quality At A Truck Travel Center And Air Quality Benefits Associated With Advanced Truck Stop Electrification Technology
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Book Synopsis Effects of Heavy-duty Diesel Vehicle Idling Emissions on Ambient Air Quality at a Truck Travel Center and Air Quality Benefits Associated with Advanced Truck Stop Electrification Technology by :
Download or read book Effects of Heavy-duty Diesel Vehicle Idling Emissions on Ambient Air Quality at a Truck Travel Center and Air Quality Benefits Associated with Advanced Truck Stop Electrification Technology written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: United States Department of Transportation (DOT) requires truck drivers to rest for 10 hours after every 14 hours of driving. During this time and while waiting for loading and unloading of their trucks, truck drivers idle their engine to provide heat or air conditioning for the cab and sleeping compartment, keep the engine warm during cold climate, and provide electrical power for their onboard appliances. At large truck stops, 200 or more trucks can be idling at the same time. At these truck stops idling emissions can significantly contribute to the concentrations of NOx and PM[subscript two point five] pollutants in the ambient air in the vicinity of the truck stop. In this study monitoring of ambient air at the Petro truck travel center located at I40/I75 and Watt Road interchange was performed between mid December 2003 and August 2004. Concentrations of PM[subscript two point five] and NOx were measured continuously at two locations. Computer modeling was also performed using EPA's ISCST3 model to predict ambient concentrations of PM[subscript two point five] and NOx at the truck stop. Ambient concentrations of NOx and PM[subscript two point five] were found to be higher at nighttime and early morning hours compared to daytime. The number of trucks idling at the truck travel center was also found to have similar trend as that of ambient concentrations of considered pollutants. Average ambient concentrations of 276 ppb 213 ppb of NOx and 35 [subscript micrograms per cubic meter] and 29 [subscript micrograms per cubic meter] of PM[subscript two point five] were monitored at the two selected locations over the course of this research. The monitored concentrations of PM[subscript two point five] and NOx were then compared to the predicted values in an effort to verify and calibrate the model. The ISCST3 model was used to predict annual average and maximum 24-hour average NOx and PM[subscript two point five] and concentrations in the Watt Road area and three hot-spots corresponding to the three truck travel centers at the area were observed. If sufficient number of IdleAire electrification units were provided to accomodate all trucks (that would otherwise idle), the ambient concentrations (not considering background concentrations) would be lower by 70% and 48% at the two monitoring locations as predicted by ISCST3 model.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review of the U.S. Department of Energy's Heavy Vehicle Technologies Program by : National Research Council
Download or read book Review of the U.S. Department of Energy's Heavy Vehicle Technologies Program written by National Research Council and published by National Academies Press. This book was released on 2000-12-01 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Evaluation of Heavy-duty Diesel Vehicle Emissions During Cold -start and Steady-state Idling Conditions and Reduction of Emissions from a Truck-stop Electrification Program by :
Download or read book Evaluation of Heavy-duty Diesel Vehicle Emissions During Cold -start and Steady-state Idling Conditions and Reduction of Emissions from a Truck-stop Electrification Program written by and published by . This book was released on 2005 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cold-start and extended-idling emissions of carbon monoxide (CO), oxides of nitrogen (NOx) and particulate matter (PM) were measured from 24, class-8B, heavy duty diesel vehicles (HDDV8B) using portable emission monitoring equipment. The ratio of nitrogen dioxide (NO2) to NOx and the ratio of PM2.5 to total PM were reported. Truck model years ranged from 1992 to 2004. All vehicles were tested in the field during summer and fall months under ambient environmental conditions at low (600-800 rpm) and high (1000 rpm) engine idling speeds with the truck cab air-conditioner operating at "on" and "off" modes. Sampling data thus obtained were used to generate typical average cold-start and extended-idling emission factors and were used to estimate potential emission reductions associated from using Truck Stop Electrification (TSE) Itechnology. Results indicated that cold-start emission rates, which were determined from the first 5-minutes of the cold-start period, were higher than the extended-idling emission rates by factors of 2.5 for CO, 1.5 for NOx and 1.7 for PM2.5 . Overall, the extended-idling emission factors of the present study compared favorable to both the U.S Environmental Protection Agency (EPA) values that are recommended for State Implementation Plans (SIP) and average emission factors that were established from a previous review of the literature. In summary, the NOx emission rates were greater than those reported for EPA-SIP purposes and from the literature review by 23.5% and 17.4%, respectively. The PM2.5 emission rates observed in this study were less than those reported for EPA-SIP purposes by 3.8% and were greater than those reported in the literature by 6.3%, respectively. The average extended-idling emission factors for CO, NOx and PM2.5 were 64.5 g/hr, 167 g/hr and 3.51 g/hr, respectively. Electricity utilization and related emissions from TSE were calculated for a coal fired power plant equipped with Selective Catalytic Reduction (SCR) technology for NOx removal and that meets New Source Performance Standards (NSPS) for NOx and PM2.5 emissions. In general, it was found that the cold-start emissions and the emissions from electricity were moderately small in comparison with the extended-idling emissions. Conversely, it was determined that the actual emission savings that could be associated with the TSE technology were 62.4 g/hr for CO, 158 g/hr for NOx and 3.19 g/hr for PM2.5 . Finally, the corrected or actual emission reductions for CO, NOx and PM2.5 using a cold-start period for 5-minutes were approximately 3.2%, 5.0% and 10% less than the extended-idling emission rate, respectively.
Book Synopsis Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles by : National Research Council
Download or read book Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2010-07-30 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 :Assembly of Engineering (U.S.). Diesel Impacts Study Committee Publisher :National Academies ISBN 13 : Total Pages :176 pages Book Rating :4.3/5 (91 download)
Book Synopsis Diesel Cars by : Assembly of Engineering (U.S.). Diesel Impacts Study Committee
Download or read book Diesel Cars written by Assembly of Engineering (U.S.). Diesel Impacts Study Committee and published by National Academies. This book was released on 1982 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trucks and Air Emissions by : Gordon W. R. Taylor
Download or read book Trucks and Air Emissions written by Gordon W. R. Taylor and published by . This book was released on 2001 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document brings together an assortment of facts and figures about trucks, their activities and the impact of those activities on the Canadian environment. It includes information on the following: economic importance of trucking industry; emissions from trucks; emissions control programs (including vehicle inspection maintenance, and retrofit programs); technological solutions (including engine technologies and alternative fuels); vehicle operation options (including speed control, vehicle weight, road construction and maintenance, and driver training).
Book Synopsis Health Effects Associated with Diesel Exhaust Emissions by : Joseph Santodonato
Download or read book Health Effects Associated with Diesel Exhaust Emissions written by Joseph Santodonato and published by . This book was released on 1978 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Medium- and Heavy-Duty Fuel Efficiency Improvement Program by :
Download or read book Medium- and Heavy-Duty Fuel Efficiency Improvement Program written by and published by . This book was released on 2011 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Real-world Vehicle Activities and Loads on Heavy-duty Diesel Vehicle Emissions by : Christie-Joy Brodrick
Download or read book Effects of Real-world Vehicle Activities and Loads on Heavy-duty Diesel Vehicle Emissions written by Christie-Joy Brodrick and published by . This book was released on 2001 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxic Gases in Heavy Duty Diesel Truck Cabs by :
Download or read book Toxic Gases in Heavy Duty Diesel Truck Cabs written by and published by . This book was released on 1977 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program was conducted to measure the cab concentrations of several toxic gases throughout a significant cross section of conditions and vehicles comprising heavy duty diesel truck population and use. Ambient and in-cab concentrations were continuously measured for carbon monoxide, nitric oxide and nitrogen dioxide. Supplemental air bag samples were analyzed for sulfur oxides and total hydrocarbons. These data were used to assess the potential for performance and health degradation due to vehicle self-contamination.
Author :United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety Publisher : ISBN 13 : Total Pages :100 pages Book Rating :4.F/5 ( download)
Book Synopsis Federal Efforts to Protect Public Health by Reducing Diesel Emissions by : United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety
Download or read book Federal Efforts to Protect Public Health by Reducing Diesel Emissions written by United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety and published by . This book was released on 2015 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Department of Energy. Office of the Assistant Secretary for Environment Publisher : ISBN 13 : Total Pages :116 pages Book Rating :4.:/5 (319 download)
Book Synopsis Environmental Development Plan by : United States. Department of Energy. Office of the Assistant Secretary for Environment
Download or read book Environmental Development Plan written by United States. Department of Energy. Office of the Assistant Secretary for Environment and published by . This book was released on 1979 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Vehicle Emissions and Urban Air Quality by : Quality of Urban Air Review Group
Download or read book Diesel Vehicle Emissions and Urban Air Quality written by Quality of Urban Air Review Group and published by . This book was released on 1993 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Draft analysis of heavy-duty diesel vehicle idle emission rates by : David J. Brzezinski
Download or read book Draft analysis of heavy-duty diesel vehicle idle emission rates written by David J. Brzezinski and published by . This book was released on 2003 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress Report on Reducing Public Exposure to Diesel Engine Emissions by : Michelle Lithgow
Download or read book Progress Report on Reducing Public Exposure to Diesel Engine Emissions written by Michelle Lithgow and published by . This book was released on 1989 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Idling Reduction Options for Heavy-duty Diesel Trucks by : Matthew Jesse Solomon
Download or read book Modeling Idling Reduction Options for Heavy-duty Diesel Trucks written by Matthew Jesse Solomon and published by . This book was released on 2006 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
